tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 5555a83c82d66729e4abaf16ae28d6bd81f9a64a commit: fba5261e0039dcf4de077fd12ea9ae2501d92b88 [253/254] mm: replace free hugepage folios after migration config: i386-buildonly-randconfig-004-20241220 (https://download.01.org/0day-ci/archive/20241220/202412201800.vhgfNG83-lkp@xxxxxxxxx/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/20241220/202412201800.vhgfNG83-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202412201800.vhgfNG83-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from mm/mincore.c:19: >> include/linux/hugetlb.h:1063:5: warning: no previous prototype for function 'replace_free_hugepage_folios' [-Wmissing-prototypes] 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ include/linux/hugetlb.h:1063:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ | static 1 warning generated. -- In file included from mm/pagewalk.c:5: >> include/linux/hugetlb.h:1063:5: warning: no previous prototype for function 'replace_free_hugepage_folios' [-Wmissing-prototypes] 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ include/linux/hugetlb.h:1063:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ | static In file included from mm/pagewalk.c:12: In file included from mm/internal.h:13: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ 3 warnings generated. -- In file included from mm/vmalloc.c:41: >> include/linux/hugetlb.h:1063:5: warning: no previous prototype for function 'replace_free_hugepage_folios' [-Wmissing-prototypes] 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ include/linux/hugetlb.h:1063:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ | static In file included from mm/vmalloc.c:50: In file included from mm/internal.h:13: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ mm/vmalloc.c:1938:20: warning: unused function 'setup_vmalloc_vm' [-Wunused-function] 1938 | static inline void setup_vmalloc_vm(struct vm_struct *vm, | ^~~~~~~~~~~~~~~~ 4 warnings generated. -- In file included from mm/mremap.c:12: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ In file included from mm/mremap.c:13: >> include/linux/hugetlb.h:1063:5: warning: no previous prototype for function 'replace_free_hugepage_folios' [-Wmissing-prototypes] 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ include/linux/hugetlb.h:1063:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ | static 3 warnings generated. -- In file included from mm/page_alloc.c:44: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ In file included from mm/page_alloc.c:46: In file included from include/linux/migrate.h:8: >> include/linux/hugetlb.h:1063:5: warning: no previous prototype for function 'replace_free_hugepage_folios' [-Wmissing-prototypes] 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ include/linux/hugetlb.h:1063:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ | static mm/page_alloc.c:2933:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 2933 | __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:139:34: note: expanded from macro '__count_zid_vm_events' 139 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ mm/page_alloc.c:3050:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 3050 | __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:139:34: note: expanded from macro '__count_zid_vm_events' 139 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ mm/page_alloc.c:4692:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 4692 | __count_zid_vm_events(PGALLOC, zone_idx(zone), nr_account); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:139:34: note: expanded from macro '__count_zid_vm_events' 139 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ 6 warnings generated. -- In file included from mm/vmscan.c:30: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ In file included from mm/vmscan.c:42: In file included from include/linux/migrate.h:8: >> include/linux/hugetlb.h:1063:5: warning: no previous prototype for function 'replace_free_hugepage_folios' [-Wmissing-prototypes] 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ include/linux/hugetlb.h:1063:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1063 | int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) | ^ | static mm/vmscan.c:409:51: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 409 | size += zone_page_state(zone, NR_ZONE_LRU_BASE + lru); | ~~~~~~~~~~~~~~~~ ^ ~~~ mm/vmscan.c:1773:4: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 1773 | __count_zid_vm_events(PGSCAN_SKIP, zid, nr_skipped[zid]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:139:34: note: expanded from macro '__count_zid_vm_events' 139 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ mm/vmscan.c:2279:51: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 2279 | inactive = lruvec_page_state(lruvec, NR_LRU_BASE + inactive_lru); | ~~~~~~~~~~~ ^ ~~~~~~~~~~~~ mm/vmscan.c:2280:49: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 2280 | active = lruvec_page_state(lruvec, NR_LRU_BASE + active_lru); | ~~~~~~~~~~~ ^ ~~~~~~~~~~ mm/vmscan.c:6239:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 6239 | __count_zid_vm_events(ALLOCSTALL, sc->reclaim_idx, 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:139:34: note: expanded from macro '__count_zid_vm_events' 139 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ 8 warnings generated. vim +/replace_free_hugepage_folios +1063 include/linux/hugetlb.h 1062 > 1063 int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn) 1064 { 1065 return 0; 1066 } 1067 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki