* [openeuler:OLK-5.10 2707/2707] include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function
@ 2025-01-16 17:09 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-01-16 17:09 UTC (permalink / raw)
To: kernel; +Cc: oe-kbuild-all
Hi wangyigen,
FYI, the error/warning still remains.
tree: https://gitee.com/openeuler/kernel.git OLK-5.10
head: 08e54ea5e4a4948874ca30d91be3e5cca4ecbeec
commit: 13e5c52d7cec7621f78bce452b78785e689ed0b2 [2707/2707] cgroup_writeback: bind blkcg and memcg
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20250117/202501170155.aI4YWysc-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250117/202501170155.aI4YWysc-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/202501170155.aI4YWysc-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from mm/filemap.c:15:
In file included from include/linux/dax.h:6:
In file included from include/linux/mm.h:1581:
include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from mm/filemap.c:32:
>> include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function [-Wvisibility]
418 | static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss,
| ^
mm/filemap.c:823:14: warning: no previous prototype for function '__add_to_page_cache_locked' [-Wmissing-prototypes]
823 | noinline int __add_to_page_cache_locked(struct page *page,
| ^
mm/filemap.c:823:10: note: declare 'static' if the function is not intended to be used outside of this translation unit
823 | noinline int __add_to_page_cache_locked(struct page *page,
| ^
| static
3 warnings generated.
--
In file included from mm/fadvise.c:14:
In file included from include/linux/mm.h:1581:
include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from mm/fadvise.c:16:
>> include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function [-Wvisibility]
418 | static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss,
| ^
2 warnings generated.
--
In file included from mm/page-writeback.c:19:
In file included from include/linux/mm.h:1581:
include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from mm/page-writeback.c:25:
>> include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function [-Wvisibility]
418 | static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss,
| ^
In file included from mm/page-writeback.c:40:
include/linux/mm_inline.h:34:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
34 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
| ~~~~~~~~~~~ ^ ~~~
include/linux/mm_inline.h:36:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
36 | NR_ZONE_LRU_BASE + lru, nr_pages);
| ~~~~~~~~~~~~~~~~ ^ ~~~
4 warnings generated.
--
In file included from mm/swap.c:17:
In file included from include/linux/mm.h:1581:
include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from mm/swap.c:26:
include/linux/mm_inline.h:34:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
34 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
| ~~~~~~~~~~~ ^ ~~~
include/linux/mm_inline.h:36:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
36 | NR_ZONE_LRU_BASE + lru, nr_pages);
| ~~~~~~~~~~~~~~~~ ^ ~~~
In file included from mm/swap.c:32:
>> include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function [-Wvisibility]
418 | static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss,
| ^
4 warnings generated.
--
In file included from mm/vmscan.c:17:
In file included from include/linux/mm.h:1581:
include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from mm/vmscan.c:33:
include/linux/mm_inline.h:34:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
34 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
| ~~~~~~~~~~~ ^ ~~~
include/linux/mm_inline.h:36:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
36 | NR_ZONE_LRU_BASE + lru, nr_pages);
| ~~~~~~~~~~~~~~~~ ^ ~~~
In file included from mm/vmscan.c:34:
>> include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function [-Wvisibility]
418 | static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss,
| ^
mm/vmscan.c:569:51: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
569 | size += zone_page_state(zone, NR_ZONE_LRU_BASE + lru);
| ~~~~~~~~~~~~~~~~ ^ ~~~
mm/vmscan.c:1936:4: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion]
1936 | __count_zid_vm_events(PGSCAN_SKIP, zid, nr_skipped[zid]);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events'
135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
| ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
mm/vmscan.c:2430:51: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
2430 | inactive = lruvec_page_state(lruvec, NR_LRU_BASE + inactive_lru);
| ~~~~~~~~~~~ ^ ~~~~~~~~~~~~
mm/vmscan.c:2431:49: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
2431 | active = lruvec_page_state(lruvec, NR_LRU_BASE + active_lru);
| ~~~~~~~~~~~ ^ ~~~~~~~~~~
mm/vmscan.c:3263:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion]
3263 | __count_zid_vm_events(ALLOCSTALL, sc->reclaim_idx, 1);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events'
135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
| ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
9 warnings generated.
--
In file included from mm/page_alloc.c:19:
In file included from include/linux/mm.h:1581:
include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from mm/page_alloc.c:50:
>> include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function [-Wvisibility]
418 | static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss,
| ^
In file included from mm/page_alloc.c:59:
include/linux/mm_inline.h:34:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
34 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
| ~~~~~~~~~~~ ^ ~~~
include/linux/mm_inline.h:36:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
36 | NR_ZONE_LRU_BASE + lru, nr_pages);
| ~~~~~~~~~~~~~~~~ ^ ~~~
mm/page_alloc.c:2609:5: warning: no previous prototype for function 'find_suitable_fallback' [-Wmissing-prototypes]
2609 | int find_suitable_fallback(struct free_area *area, unsigned int order,
| ^
mm/page_alloc.c:2609:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
2609 | int find_suitable_fallback(struct free_area *area, unsigned int order,
| ^
| static
mm/page_alloc.c:3040:6: warning: no previous prototype for function '__drain_all_pages' [-Wmissing-prototypes]
3040 | void __drain_all_pages(struct zone *zone, bool force_all_cpus)
| ^
mm/page_alloc.c:3040:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
3040 | void __drain_all_pages(struct zone *zone, bool force_all_cpus)
| ^
| static
mm/page_alloc.c:3449:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion]
3449 | __count_zid_vm_events(PGALLOC, page_zonenum(page), 1);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events'
135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
| ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
mm/page_alloc.c:3510:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion]
3510 | __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events'
135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
| ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
mm/page_alloc.c:3603:15: warning: no previous prototype for function 'should_fail_alloc_page' [-Wmissing-prototypes]
3603 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
| ^
mm/page_alloc.c:3603:10: note: declare 'static' if the function is not intended to be used outside of this translation unit
3603 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
| ^
| static
mm/page_alloc.c:5221:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion]
5221 | __count_zid_vm_events(PGALLOC, zone_idx(zone), 1);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events'
135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
| ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
mm/page_alloc.c:6753:20: warning: no previous prototype for function 'memmap_init' [-Wmissing-prototypes]
6753 | void __init __weak memmap_init(void)
| ^
mm/page_alloc.c:6753:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
6753 | void __init __weak memmap_init(void)
| ^
| static
mm/page_alloc.c:6791:23: warning: no previous prototype for function 'arch_memmap_init' [-Wmissing-prototypes]
6791 | void __meminit __weak arch_memmap_init(unsigned long size, int nid,
| ^
mm/page_alloc.c:6791:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
6791 | void __meminit __weak arch_memmap_init(unsigned long size, int nid,
| ^
| static
mm/page_alloc.c:6909:6: warning: no previous prototype for function '__zone_set_pageset_high_and_batch' [-Wmissing-prototypes]
6909 | void __zone_set_pageset_high_and_batch(struct zone *zone, unsigned long high,
| ^
mm/page_alloc.c:6909:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
6909 | void __zone_set_pageset_high_and_batch(struct zone *zone, unsigned long high,
| ^
| static
13 warnings generated.
vim +418 include/linux/backing-dev.h
417
> 418 static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss,
419 struct css_set *cset)
420 {
421 }
422
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2025-01-16 17:09 [openeuler:OLK-5.10 2707/2707] include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function kernel test robot
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