include/linux/vm_event_item.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef VM_EVENT_ITEM_H_INCLUDED
   3 #define VM_EVENT_ITEM_H_INCLUDED
   4
   5 #ifdef CONFIG_ZONE_DMA
   6 #define DMA_ZONE(xx) xx##_DMA,
   7 #else
   8 #define DMA_ZONE(xx)
   9 #endif
  10
  11 #ifdef CONFIG_ZONE_DMA32
  12 #define DMA32_ZONE(xx) xx##_DMA32,
  13 #else
  14 #define DMA32_ZONE(xx)
  15 #endif
  16
  17 #ifdef CONFIG_HIGHMEM
  18 #define HIGHMEM_ZONE(xx) xx##_HIGH,
  19 #else
  20 #define HIGHMEM_ZONE(xx)
  21 #endif
  22
  23 #define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, HIGHMEM_ZONE(xx) xx##_MOVABLE
  24
  25 enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
  26                 FOR_ALL_ZONES(PGALLOC),
  27                 FOR_ALL_ZONES(ALLOCSTALL),
  28                 FOR_ALL_ZONES(PGSCAN_SKIP),
  29                 PGFREE, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE,
  30                 PGFAULT, PGMAJFAULT,
  31                 PGLAZYFREED,
  32                 PGREFILL,
  33                 PGSTEAL_KSWAPD,
  34                 PGSTEAL_DIRECT,
  35                 PGSCAN_KSWAPD,
  36                 PGSCAN_DIRECT,
  37                 PGSCAN_DIRECT_THROTTLE,
  38                 PGSCAN_ANON,
  39                 PGSCAN_FILE,
  40                 PGSTEAL_ANON,
  41                 PGSTEAL_FILE,
  42 #ifdef CONFIG_NUMA
  43                 PGSCAN_ZONE_RECLAIM_FAILED,
  44 #endif
  45                 PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
  46                 KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
  47                 PAGEOUTRUN, PGROTATED,
  48                 DROP_PAGECACHE, DROP_SLAB,
  49                 OOM_KILL,
  50 #ifdef CONFIG_NUMA_BALANCING
  51                 NUMA_PTE_UPDATES,
  52                 NUMA_HUGE_PTE_UPDATES,
  53                 NUMA_HINT_FAULTS,
  54                 NUMA_HINT_FAULTS_LOCAL,
  55                 NUMA_PAGE_MIGRATE,
  56 #endif
  57 #ifdef CONFIG_MIGRATION
  58                 PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
  59                 THP_MIGRATION_SUCCESS,
  60                 THP_MIGRATION_FAIL,
  61                 THP_MIGRATION_SPLIT,
  62 #endif
  63 #ifdef CONFIG_COMPACTION
  64                 COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
  65                 COMPACTISOLATED,
  66                 COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
  67                 KCOMPACTD_WAKE,
  68                 KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
  69 #endif
  70 #ifdef CONFIG_HUGETLB_PAGE
  71                 HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
  72 #endif
  73                 UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
  74                 UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
  75                 UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
  76                 UNEVICTABLE_PGMLOCKED,
  77                 UNEVICTABLE_PGMUNLOCKED,
  78                 UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
  79                 UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
  80 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
  81                 THP_FAULT_ALLOC,
  82                 THP_FAULT_FALLBACK,
  83                 THP_FAULT_FALLBACK_CHARGE,
  84                 THP_COLLAPSE_ALLOC,
  85                 THP_COLLAPSE_ALLOC_FAILED,
  86                 THP_FILE_ALLOC,
  87                 THP_FILE_FALLBACK,
  88                 THP_FILE_FALLBACK_CHARGE,
  89                 THP_FILE_MAPPED,
  90                 THP_SPLIT_PAGE,
  91                 THP_SPLIT_PAGE_FAILED,
  92                 THP_DEFERRED_SPLIT_PAGE,
  93                 THP_SPLIT_PMD,
  94 #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
  95                 THP_SPLIT_PUD,
  96 #endif
  97                 THP_ZERO_PAGE_ALLOC,
  98                 THP_ZERO_PAGE_ALLOC_FAILED,
  99                 THP_SWPOUT,
 100                 THP_SWPOUT_FALLBACK,
 101 #endif
 102 #ifdef CONFIG_MEMORY_BALLOON
 103                 BALLOON_INFLATE,
 104                 BALLOON_DEFLATE,
 105 #ifdef CONFIG_BALLOON_COMPACTION
 106                 BALLOON_MIGRATE,
 107 #endif
 108 #endif
 109 #ifdef CONFIG_DEBUG_TLBFLUSH
 110                 NR_TLB_REMOTE_FLUSH,    /* cpu tried to flush others' tlbs */
 111                 NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
 112                 NR_TLB_LOCAL_FLUSH_ALL,
 113                 NR_TLB_LOCAL_FLUSH_ONE,
 114 #endif /* CONFIG_DEBUG_TLBFLUSH */
 115 #ifdef CONFIG_DEBUG_VM_VMACACHE
 116                 VMACACHE_FIND_CALLS,
 117                 VMACACHE_FIND_HITS,
 118 #endif
 119 #ifdef CONFIG_SWAP
 120                 SWAP_RA,
 121                 SWAP_RA_HIT,
 122 #endif
 123                 NR_VM_EVENT_ITEMS
 124 };
 125
 126 #ifndef CONFIG_TRANSPARENT_HUGEPAGE
 127 #define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
 128 #define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
 129 #define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
 130 #define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
 131 #endif
 132
 133 #endif          /* VM_EVENT_ITEM_H_INCLUDED */