* [linux-next:master 7971/10444] include/linux/kexec_handover.h:47:41: error: use of undeclared identifier 'HPAGE_PMD_ORDER'
@ 2026-07-30 2:22 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-07-30 2:22 UTC (permalink / raw)
To: Pratyush Yadav (Google); +Cc: llvm, oe-kbuild-all, Mike Rapoport (Microsoft)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 78bc8af4affb9a732504eb22eeac7d1e50883853
commit: f476132a8999edf2225185652dce98a42347e8c9 [7971/10444] mm/mm_init: don't rely on memblock to get KHO scratch migratetype
config: x86_64-randconfig-001-20260729 (https://download.01.org/0day-ci/archive/20260730/202607301001.ARjK0D4v-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260730/202607301001.ARjK0D4v-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/oe-kbuild-all/202607301001.ARjK0D4v-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/liveupdate/kho_block.c:24:
>> include/linux/kexec_handover.h:47:41: error: use of undeclared identifier 'HPAGE_PMD_ORDER'
47 | if (kho_scratch_overlap(PFN_PHYS(pfn), pageblock_nr_pages << PAGE_SHIFT))
| ^~~~~~~~~~~~~~~~~~
include/linux/pageblock-flags.h:75:36: note: expanded from macro 'pageblock_nr_pages'
75 | #define pageblock_nr_pages (1UL << pageblock_order)
| ^~~~~~~~~~~~~~~
include/linux/pageblock-flags.h:66:46: note: expanded from macro 'pageblock_order'
66 | #define pageblock_order MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
| ^~~~~~~~~~~~~~~
In file included from kernel/liveupdate/kho_block.c:24:
>> include/linux/kexec_handover.h:47:41: error: use of undeclared identifier 'HPAGE_PMD_ORDER'
47 | if (kho_scratch_overlap(PFN_PHYS(pfn), pageblock_nr_pages << PAGE_SHIFT))
| ^~~~~~~~~~~~~~~~~~
include/linux/pageblock-flags.h:75:36: note: expanded from macro 'pageblock_nr_pages'
75 | #define pageblock_nr_pages (1UL << pageblock_order)
| ^~~~~~~~~~~~~~~
include/linux/pageblock-flags.h:66:46: note: expanded from macro 'pageblock_order'
66 | #define pageblock_order MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
| ^~~~~~~~~~~~~~~
2 errors generated.
--
In file included from kernel/liveupdate/luo_flb.c:45:
>> include/linux/kexec_handover.h:47:41: error: use of undeclared identifier 'HPAGE_PMD_ORDER'
47 | if (kho_scratch_overlap(PFN_PHYS(pfn), pageblock_nr_pages << PAGE_SHIFT))
| ^~~~~~~~~~~~~~~~~~
include/linux/pageblock-flags.h:75:36: note: expanded from macro 'pageblock_nr_pages'
75 | #define pageblock_nr_pages (1UL << pageblock_order)
| ^~~~~~~~~~~~~~~
include/linux/pageblock-flags.h:66:46: note: expanded from macro 'pageblock_order'
66 | #define pageblock_order MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
| ^~~~~~~~~~~~~~~
In file included from kernel/liveupdate/luo_flb.c:45:
>> include/linux/kexec_handover.h:47:41: error: use of undeclared identifier 'HPAGE_PMD_ORDER'
47 | if (kho_scratch_overlap(PFN_PHYS(pfn), pageblock_nr_pages << PAGE_SHIFT))
| ^~~~~~~~~~~~~~~~~~
include/linux/pageblock-flags.h:75:36: note: expanded from macro 'pageblock_nr_pages'
75 | #define pageblock_nr_pages (1UL << pageblock_order)
| ^~~~~~~~~~~~~~~
include/linux/pageblock-flags.h:66:46: note: expanded from macro 'pageblock_order'
66 | #define pageblock_order MIN_T(unsigned int, HPAGE_PMD_ORDER, PAGE_BLOCK_MAX_ORDER)
| ^~~~~~~~~~~~~~~
In file included from kernel/liveupdate/luo_flb.c:49:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:5:
In file included from include/linux/fs/super.h:5:
In file included from include/linux/fs/super_types.h:13:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from kernel/liveupdate/luo_flb.c:49:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:5:
In file included from include/linux/fs/super.h:5:
In file included from include/linux/fs/super_types.h:13:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from kernel/liveupdate/luo_flb.c:49:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:5:
In file included from include/linux/fs/super.h:5:
In file included from include/linux/fs/super_types.h:13:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
99 | set->sig[1] | set->sig[0]) == 0;
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from kernel/liveupdate/luo_flb.c:49:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:5:
In file included from include/linux/fs/super.h:5:
In file included from include/linux/fs/super_types.h:13:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
101 | return (set->sig[1] | set->sig[0]) == 0;
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from kernel/liveupdate/luo_flb.c:49:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:5:
In file included from include/linux/fs/super.h:5:
In file included from include/linux/fs/super_types.h:13:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from kernel/liveupdate/luo_flb.c:49:
In file included from include/linux/module.h:20:
vim +/HPAGE_PMD_ORDER +47 include/linux/kexec_handover.h
43
44 static inline enum migratetype kho_scratch_migratetype(unsigned long pfn,
45 enum migratetype mt)
46 {
> 47 if (kho_scratch_overlap(PFN_PHYS(pfn), pageblock_nr_pages << PAGE_SHIFT))
48 return MIGRATE_CMA;
49 return mt;
50 }
51 #else
52 static inline bool kho_is_enabled(void)
53 {
54 return false;
55 }
56
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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