* mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
@ 2026-04-08 6:30 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-04-08 6:30 UTC (permalink / raw)
To: Johannes Weiner; +Cc: oe-kbuild-all, 0day robot
tree: https://github.com/intel-lab-lkp/linux/commits/Johannes-Weiner/mm-page_alloc-replace-pageblock_flags-bitmap-with-struct-pageblock_data/20260407-193348
head: fed3344e092819bacd3a25de239265aa067bd4e7
commit: fed3344e092819bacd3a25de239265aa067bd4e7 mm: page_alloc: per-cpu pageblock buddy allocator
date: 17 hours ago
config: i386-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260408/202604080625.I1FdysJj-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260408/202604080625.I1FdysJj-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202604080625.I1FdysJj-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from mm/page_alloc.c:58:
mm/internal.h: In function 'pfn_to_pageblock':
mm/internal.h:803:37: error: invalid use of undefined type 'struct pageblock_data'
803 | return &zone->pageblock_data[idx];
| ^
mm/page_alloc.c: In function 'get_pfnblock_flags_word':
mm/page_alloc.c:363:44: error: invalid use of undefined type 'struct pageblock_data'
363 | return &pfn_to_pageblock(page, pfn)->flags;
| ^~
In file included from <command-line>:
mm/page_alloc.c: In function 'pbd_migratetype':
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:642:53: note: in definition of macro '__unqual_scalar_typeof'
642 | #define __unqual_scalar_typeof(x) __typeof_unqual__(x)
| ^
./include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE'
50 | __READ_ONCE(x); \
| ^~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
In file included from ./arch/x86/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:372,
from ./include/asm-generic/bug.h:5,
from ./arch/x86/include/asm/bug.h:193,
from ./include/linux/bug.h:5,
from ./include/linux/mmdebug.h:5,
from ./include/linux/mm.h:7,
from mm/page_alloc.c:18:
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
./include/asm-generic/rwonce.h:44:73: note: in definition of macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
mm/page_alloc.c: In function 'init_pageblock_migratetype':
mm/page_alloc.c:542:12: error: invalid use of undefined type 'struct pageblock_data'
542 | pbd->block_pfn = pfn;
| ^~
mm/page_alloc.c:543:28: error: invalid use of undefined type 'struct pageblock_data'
543 | INIT_LIST_HEAD(&pbd->cpu_node);
| ^~
mm/page_alloc.c: In function 'clear_pcpblock_owner':
mm/page_alloc.c:712:12: error: invalid use of undefined type 'struct pageblock_data'
712 | pbd->cpu = 0;
| ^~
mm/page_alloc.c:713:27: error: invalid use of undefined type 'struct pageblock_data'
713 | list_del_init(&pbd->cpu_node);
| ^~
mm/page_alloc.c: In function 'set_pcpblock_owner':
mm/page_alloc.c:718:50: error: invalid use of undefined type 'struct pageblock_data'
718 | pfn_to_pageblock(page, page_to_pfn(page))->cpu = cpu + 1;
| ^~
mm/page_alloc.c: In function 'get_pcpblock_owner':
mm/page_alloc.c:723:57: error: invalid use of undefined type 'struct pageblock_data'
723 | return pfn_to_pageblock(page, page_to_pfn(page))->cpu - 1;
| ^~
mm/page_alloc.c: In function 'free_pcppages_bulk':
mm/page_alloc.c:1603:52: error: invalid use of undefined type 'struct pageblock_data'
1603 | if (list_empty(&pbd->cpu_node))
| ^~
mm/page_alloc.c:1604:54: error: invalid use of undefined type 'struct pageblock_data'
1604 | list_add(&pbd->cpu_node, &pcp->owned_blocks);
| ^~
In file included from ./include/linux/init.h:5,
from ./include/linux/printk.h:6,
from ./include/asm-generic/bug.h:31:
mm/page_alloc.c: In function 'rmqueue_bulk':
>> ./include/linux/container_of.h:21:54: error: invalid use of undefined type 'struct pageblock_data'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:620:9: note: in expansion of macro 'list_entry'
620 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
./include/linux/list.h:869:20: note: in expansion of macro 'list_first_entry'
869 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:617:27: error: expression in static assertion is not an integer
617 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:620:9: note: in expansion of macro 'list_entry'
620 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
./include/linux/list.h:869:20: note: in expansion of macro 'list_first_entry'
869 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from mm/page_alloc.c:17:
>> ./include/linux/stddef.h:16:33: error: invalid use of undefined type 'struct pageblock_data'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~
./include/linux/container_of.h:24:28: note: in expansion of macro 'offsetof'
24 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:620:9: note: in expansion of macro 'list_entry'
620 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
./include/linux/list.h:869:20: note: in expansion of macro 'list_first_entry'
869 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./include/linux/list.h:5,
from ./include/linux/smp.h:12,
from ./include/linux/lockdep.h:14,
from ./include/linux/spinlock.h:63,
from ./include/linux/mmzone.h:8,
from ./include/linux/gfp.h:7,
from ./include/linux/mm.h:8:
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/container_of.h:20:33: note: in definition of macro 'container_of'
20 | void *__mptr = (void *)(ptr); \
| ^~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/container_of.h:21:54: error: invalid use of undefined type 'struct pageblock_data'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:22:23: note: in expansion of macro '__same_type'
22 | __same_type(*(ptr), void), \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:617:27: error: expression in static assertion is not an integer
617 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/stddef.h:16:33: error: invalid use of undefined type 'struct pageblock_data'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~
./include/linux/container_of.h:24:28: note: in expansion of macro 'offsetof'
24 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/list.h:869:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
869 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/list.h:773:26: error: invalid use of undefined type 'struct pageblock_data'
773 | list_is_head(&pos->member, (head))
| ^~
./include/linux/list.h:871:15: note: in expansion of macro 'list_entry_is_head'
871 | !list_entry_is_head(pos, head, member); \
| ^~~~~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/container_of.h:20:33: note: in definition of macro 'container_of'
20 | void *__mptr = (void *)(ptr); \
| ^~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/container_of.h:21:54: error: invalid use of undefined type 'struct pageblock_data'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:22:23: note: in expansion of macro '__same_type'
22 | __same_type(*(ptr), void), \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:617:27: error: expression in static assertion is not an integer
617 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/stddef.h:16:33: error: invalid use of undefined type 'struct pageblock_data'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~
./include/linux/container_of.h:24:28: note: in expansion of macro 'offsetof'
24 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:2722:31: error: invalid use of undefined type 'struct pageblock_data'
2722 | base_pfn = pbd->block_pfn;
| ^~
mm/page_alloc.c:2743:35: error: invalid use of undefined type 'struct pageblock_data'
2743 | list_del_init(&pbd->cpu_node);
| ^~
mm/page_alloc.c: In function '__free_frozen_pages':
mm/page_alloc.c:3248:24: error: invalid use of undefined type 'struct pageblock_data'
3248 | owner_cpu = pbd->cpu - 1;
| ^~
mm/page_alloc.c: In function 'free_unref_folios':
mm/page_alloc.c:3333:32: error: invalid use of undefined type 'struct pageblock_data'
3333 | owner_cpu = pbd->cpu - 1;
| ^~
mm/page_alloc.c: In function 'get_pfnblock_flags_word':
mm/page_alloc.c:364:1: warning: control reaches end of non-void function [-Wreturn-type]
364 | }
| ^
vim +414 mm/page_alloc.c
0b423ca22f95a8 Mel Gorman 2016-05-19 406
fed3344e092819 Johannes Weiner 2026-04-03 407 /*
fed3344e092819 Johannes Weiner 2026-04-03 408 * Extract migratetype from a pageblock_data pointer. Callers that
fed3344e092819 Johannes Weiner 2026-04-03 409 * already have the pbd can avoid a redundant pfn_to_pageblock().
fed3344e092819 Johannes Weiner 2026-04-03 410 */
fed3344e092819 Johannes Weiner 2026-04-03 411 static __always_inline enum migratetype
fed3344e092819 Johannes Weiner 2026-04-03 412 pbd_migratetype(const struct pageblock_data *pbd)
fed3344e092819 Johannes Weiner 2026-04-03 413 {
fed3344e092819 Johannes Weiner 2026-04-03 @414 unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
fed3344e092819 Johannes Weiner 2026-04-03 415
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
@ 2026-04-08 4:24 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-04-08 4:24 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "low confidence bisect report"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Johannes Weiner <hannes@cmpxchg.org>
CC: 0day robot <lkp@intel.com>
tree: https://github.com/intel-lab-lkp/linux/commits/Johannes-Weiner/mm-page_alloc-replace-pageblock_flags-bitmap-with-struct-pageblock_data/20260407-193348
head: fed3344e092819bacd3a25de239265aa067bd4e7
commit: fed3344e092819bacd3a25de239265aa067bd4e7 mm: page_alloc: per-cpu pageblock buddy allocator
date: 17 hours ago
:::::: branch date: 17 hours ago
:::::: commit date: 17 hours ago
config: i386-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260408/202604080625.I1FdysJj-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260408/202604080625.I1FdysJj-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202604080625.I1FdysJj-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from mm/page_alloc.c:58:
mm/internal.h: In function 'pfn_to_pageblock':
mm/internal.h:803:37: error: invalid use of undefined type 'struct pageblock_data'
803 | return &zone->pageblock_data[idx];
| ^
mm/page_alloc.c: In function 'get_pfnblock_flags_word':
mm/page_alloc.c:363:44: error: invalid use of undefined type 'struct pageblock_data'
363 | return &pfn_to_pageblock(page, pfn)->flags;
| ^~
In file included from <command-line>:
mm/page_alloc.c: In function 'pbd_migratetype':
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:686:23: note: in definition of macro '__compiletime_assert'
686 | if (!(condition)) \
| ^~~~~~~~~
././include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
././include/linux/compiler_types.h:642:53: note: in definition of macro '__unqual_scalar_typeof'
642 | #define __unqual_scalar_typeof(x) __typeof_unqual__(x)
| ^
./include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE'
50 | __READ_ONCE(x); \
| ^~~~~~~~~~~
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
In file included from ./arch/x86/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:372,
from ./include/asm-generic/bug.h:5,
from ./arch/x86/include/asm/bug.h:193,
from ./include/linux/bug.h:5,
from ./include/linux/mmdebug.h:5,
from ./include/linux/mm.h:7,
from mm/page_alloc.c:18:
>> mm/page_alloc.c:414:44: error: invalid use of undefined type 'const struct pageblock_data'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~
./include/asm-generic/rwonce.h:44:73: note: in definition of macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
mm/page_alloc.c:414:31: note: in expansion of macro 'READ_ONCE'
414 | unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
| ^~~~~~~~~
mm/page_alloc.c: In function 'init_pageblock_migratetype':
mm/page_alloc.c:542:12: error: invalid use of undefined type 'struct pageblock_data'
542 | pbd->block_pfn = pfn;
| ^~
mm/page_alloc.c:543:28: error: invalid use of undefined type 'struct pageblock_data'
543 | INIT_LIST_HEAD(&pbd->cpu_node);
| ^~
mm/page_alloc.c: In function 'clear_pcpblock_owner':
mm/page_alloc.c:712:12: error: invalid use of undefined type 'struct pageblock_data'
712 | pbd->cpu = 0;
| ^~
mm/page_alloc.c:713:27: error: invalid use of undefined type 'struct pageblock_data'
713 | list_del_init(&pbd->cpu_node);
| ^~
mm/page_alloc.c: In function 'set_pcpblock_owner':
mm/page_alloc.c:718:50: error: invalid use of undefined type 'struct pageblock_data'
718 | pfn_to_pageblock(page, page_to_pfn(page))->cpu = cpu + 1;
| ^~
mm/page_alloc.c: In function 'get_pcpblock_owner':
mm/page_alloc.c:723:57: error: invalid use of undefined type 'struct pageblock_data'
723 | return pfn_to_pageblock(page, page_to_pfn(page))->cpu - 1;
| ^~
mm/page_alloc.c: In function 'free_pcppages_bulk':
mm/page_alloc.c:1603:52: error: invalid use of undefined type 'struct pageblock_data'
1603 | if (list_empty(&pbd->cpu_node))
| ^~
mm/page_alloc.c:1604:54: error: invalid use of undefined type 'struct pageblock_data'
1604 | list_add(&pbd->cpu_node, &pcp->owned_blocks);
| ^~
In file included from ./include/linux/init.h:5,
from ./include/linux/printk.h:6,
from ./include/asm-generic/bug.h:31:
mm/page_alloc.c: In function 'rmqueue_bulk':
>> ./include/linux/container_of.h:21:54: error: invalid use of undefined type 'struct pageblock_data'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:620:9: note: in expansion of macro 'list_entry'
620 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
./include/linux/list.h:869:20: note: in expansion of macro 'list_first_entry'
869 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:617:27: error: expression in static assertion is not an integer
617 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:620:9: note: in expansion of macro 'list_entry'
620 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
./include/linux/list.h:869:20: note: in expansion of macro 'list_first_entry'
869 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from mm/page_alloc.c:17:
>> ./include/linux/stddef.h:16:33: error: invalid use of undefined type 'struct pageblock_data'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~
./include/linux/container_of.h:24:28: note: in expansion of macro 'offsetof'
24 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:620:9: note: in expansion of macro 'list_entry'
620 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
./include/linux/list.h:869:20: note: in expansion of macro 'list_first_entry'
869 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./include/linux/list.h:5,
from ./include/linux/smp.h:12,
from ./include/linux/lockdep.h:14,
from ./include/linux/spinlock.h:63,
from ./include/linux/mmzone.h:8,
from ./include/linux/gfp.h:7,
from ./include/linux/mm.h:8:
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/container_of.h:20:33: note: in definition of macro 'container_of'
20 | void *__mptr = (void *)(ptr); \
| ^~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/container_of.h:21:54: error: invalid use of undefined type 'struct pageblock_data'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:22:23: note: in expansion of macro '__same_type'
22 | __same_type(*(ptr), void), \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:617:27: error: expression in static assertion is not an integer
617 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/stddef.h:16:33: error: invalid use of undefined type 'struct pageblock_data'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~
./include/linux/container_of.h:24:28: note: in expansion of macro 'offsetof'
24 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:870:21: note: in expansion of macro 'list_next_entry'
870 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/list.h:869:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
869 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/list.h:773:26: error: invalid use of undefined type 'struct pageblock_data'
773 | list_is_head(&pos->member, (head))
| ^~
./include/linux/list.h:871:15: note: in expansion of macro 'list_entry_is_head'
871 | !list_entry_is_head(pos, head, member); \
| ^~~~~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/container_of.h:20:33: note: in definition of macro 'container_of'
20 | void *__mptr = (void *)(ptr); \
| ^~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/container_of.h:21:54: error: invalid use of undefined type 'struct pageblock_data'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/list.h:667:25: error: invalid use of undefined type 'struct pageblock_data'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:22:23: note: in expansion of macro '__same_type'
22 | __same_type(*(ptr), void), \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:617:27: error: expression in static assertion is not an integer
617 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/container_of.h:21:9: note: in expansion of macro 'static_assert'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
./include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> ./include/linux/stddef.h:16:33: error: invalid use of undefined type 'struct pageblock_data'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~
./include/linux/container_of.h:24:28: note: in expansion of macro 'offsetof'
24 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
./include/linux/list.h:609:9: note: in expansion of macro 'container_of'
609 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
./include/linux/list.h:667:9: note: in expansion of macro 'list_entry'
667 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
./include/linux/list.h:872:27: note: in expansion of macro 'list_next_entry'
872 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
mm/page_alloc.c:2718:9: note: in expansion of macro 'list_for_each_entry_safe'
2718 | list_for_each_entry_safe(pbd, tmp, &pcp->owned_blocks, cpu_node) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
mm/page_alloc.c:2722:31: error: invalid use of undefined type 'struct pageblock_data'
2722 | base_pfn = pbd->block_pfn;
| ^~
mm/page_alloc.c:2743:35: error: invalid use of undefined type 'struct pageblock_data'
2743 | list_del_init(&pbd->cpu_node);
| ^~
mm/page_alloc.c: In function '__free_frozen_pages':
mm/page_alloc.c:3248:24: error: invalid use of undefined type 'struct pageblock_data'
3248 | owner_cpu = pbd->cpu - 1;
| ^~
mm/page_alloc.c: In function 'free_unref_folios':
mm/page_alloc.c:3333:32: error: invalid use of undefined type 'struct pageblock_data'
3333 | owner_cpu = pbd->cpu - 1;
| ^~
mm/page_alloc.c: In function 'get_pfnblock_flags_word':
mm/page_alloc.c:364:1: warning: control reaches end of non-void function [-Wreturn-type]
364 | }
| ^
vim +414 mm/page_alloc.c
0b423ca22f95a8 Mel Gorman 2016-05-19 406
fed3344e092819 Johannes Weiner 2026-04-03 407 /*
fed3344e092819 Johannes Weiner 2026-04-03 408 * Extract migratetype from a pageblock_data pointer. Callers that
fed3344e092819 Johannes Weiner 2026-04-03 409 * already have the pbd can avoid a redundant pfn_to_pageblock().
fed3344e092819 Johannes Weiner 2026-04-03 410 */
fed3344e092819 Johannes Weiner 2026-04-03 411 static __always_inline enum migratetype
fed3344e092819 Johannes Weiner 2026-04-03 412 pbd_migratetype(const struct pageblock_data *pbd)
fed3344e092819 Johannes Weiner 2026-04-03 413 {
fed3344e092819 Johannes Weiner 2026-04-03 @414 unsigned long flags = READ_ONCE(pbd->flags) & MIGRATETYPE_AND_ISO_MASK;
fed3344e092819 Johannes Weiner 2026-04-03 415
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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