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Howlett" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List , Lorenzo Stoakes Subject: [akpm-mm:mm-unstable 357/379] mm/vma.h:114:19: error: use of undeclared identifier 'USER_PGTABLES_CEILING' Message-ID: <202408242348.uGvgH9tt-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: b659edec079c90012cf8d05624e312d1062b8b87 commit: ca39aca8db2d78ff82356defba75d14ce78a67b9 [357/379] mm/vma: track start and end for munmap in vma_munmap_struct config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20240824/202408242348.uGvgH9tt-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 08e5a1de8227512d4774a534b91cb2353cef6284) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240824/202408242348.uGvgH9tt-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202408242348.uGvgH9tt-lkp@intel.com/ All errors (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:2198: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from mm/filemap.c:52: 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); | ~~~~~~~~~~~~~~~~ ^ ~~~ In file included from mm/filemap.c:52: In file included from mm/internal.h:22: >> mm/vma.h:114:19: error: use of undeclared identifier 'USER_PGTABLES_CEILING' 114 | vms->unmap_end = USER_PGTABLES_CEILING; | ^ 3 warnings and 1 error generated. -- In file included from mm/vmscan.c:15: In file included from include/linux/mm.h:2198: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ 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:67: In file included from mm/internal.h:22: >> mm/vma.h:114:19: error: use of undeclared identifier 'USER_PGTABLES_CEILING' 114 | vms->unmap_end = USER_PGTABLES_CEILING; | ^ mm/vmscan.c:401:51: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 401 | size += zone_page_state(zone, NR_ZONE_LRU_BASE + lru); | ~~~~~~~~~~~~~~~~ ^ ~~~ mm/vmscan.c:1730:4: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 1730 | __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:2235:51: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 2235 | inactive = lruvec_page_state(lruvec, NR_LRU_BASE + inactive_lru); | ~~~~~~~~~~~ ^ ~~~~~~~~~~~~ mm/vmscan.c:2236:49: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 2236 | active = lruvec_page_state(lruvec, NR_LRU_BASE + active_lru); | ~~~~~~~~~~~ ^ ~~~~~~~~~~ mm/vmscan.c:6251:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 6251 | __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 and 1 error generated. -- In file included from mm/page_alloc.c:19: In file included from include/linux/mm.h:2198: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ 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:59: In file included from mm/internal.h:22: >> mm/vma.h:114:19: error: use of undeclared identifier 'USER_PGTABLES_CEILING' 114 | vms->unmap_end = USER_PGTABLES_CEILING; | ^ mm/page_alloc.c:2892:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 2892 | __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:3009:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 3009 | __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:4651:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 4651 | __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 and 1 error generated. vim +/USER_PGTABLES_CEILING +114 mm/vma.h 67 68 /* Required for do_brk_flags(). */ 69 void init_vma_prep(struct vma_prepare *vp, 70 struct vm_area_struct *vma); 71 72 /* Required for do_brk_flags(). */ 73 void vma_complete(struct vma_prepare *vp, 74 struct vma_iterator *vmi, struct mm_struct *mm); 75 76 int vma_expand(struct vma_iterator *vmi, struct vm_area_struct *vma, 77 unsigned long start, unsigned long end, pgoff_t pgoff, 78 struct vm_area_struct *next); 79 80 int vma_shrink(struct vma_iterator *vmi, struct vm_area_struct *vma, 81 unsigned long start, unsigned long end, pgoff_t pgoff); 82 83 /* 84 * init_vma_munmap() - Initializer wrapper for vma_munmap_struct 85 * @vms: The vma munmap struct 86 * @vmi: The vma iterator 87 * @vma: The first vm_area_struct to munmap 88 * @start: The aligned start address to munmap 89 * @end: The aligned end address to munmap 90 * @uf: The userfaultfd list_head 91 * @unlock: Unlock after the operation. Only unlocked on success 92 */ 93 static inline void init_vma_munmap(struct vma_munmap_struct *vms, 94 struct vma_iterator *vmi, struct vm_area_struct *vma, 95 unsigned long start, unsigned long end, struct list_head *uf, 96 bool unlock) 97 { 98 vms->vmi = vmi; 99 vms->vma = vma; 100 if (vma) { 101 vms->mm = vma->vm_mm; 102 vms->start = start; 103 vms->end = end; 104 } else { 105 vms->mm = NULL; 106 vms->start = vms->end = 0; 107 } 108 vms->unlock = unlock; 109 vms->uf = uf; 110 vms->vma_count = 0; 111 vms->nr_pages = vms->locked_vm = vms->nr_accounted = 0; 112 vms->exec_vm = vms->stack_vm = vms->data_vm = 0; 113 vms->unmap_start = FIRST_USER_ADDRESS; > 114 vms->unmap_end = USER_PGTABLES_CEILING; 115 } 116 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki