LXR linux/include/linux/vm_event

   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
  25enum 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                PGREUSE,
  34                PGSTEAL_KSWAPD,
  35                PGSTEAL_DIRECT,
  36                PGSCAN_KSWAPD,
  37                PGSCAN_DIRECT,
  38                PGSCAN_DIRECT_THROTTLE,
  39                PGSCAN_ANON,
  40                PGSCAN_FILE,
  41                PGSTEAL_ANON,
  42                PGSTEAL_FILE,
  43#ifdef CONFIG_NUMA
  44                PGSCAN_ZONE_RECLAIM_FAILED,
  45#endif
  46                PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
  47                KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
  48                PAGEOUTRUN, PGROTATED,
  49                DROP_PAGECACHE, DROP_SLAB,
  50                OOM_KILL,
  51#ifdef CONFIG_NUMA_BALANCING
  52                NUMA_PTE_UPDATES,
  53                NUMA_HUGE_PTE_UPDATES,
  54                NUMA_HINT_FAULTS,
  55                NUMA_HINT_FAULTS_LOCAL,
  56                NUMA_PAGE_MIGRATE,
  57#endif
  58#ifdef CONFIG_MIGRATION
  59                PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
  60                THP_MIGRATION_SUCCESS,
  61                THP_MIGRATION_FAIL,
  62                THP_MIGRATION_SPLIT,
  63#endif
  64#ifdef CONFIG_COMPACTION
  65                COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
  66                COMPACTISOLATED,
  67                COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
  68                KCOMPACTD_WAKE,
  69                KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
  70#endif
  71#ifdef CONFIG_HUGETLB_PAGE
  72                HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
  73#endif
  74                UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
  75                UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
  76                UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
  77                UNEVICTABLE_PGMLOCKED,
  78                UNEVICTABLE_PGMUNLOCKED,
  79                UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
  80                UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
  81#ifdef CONFIG_TRANSPARENT_HUGEPAGE
  82                THP_FAULT_ALLOC,
  83                THP_FAULT_FALLBACK,
  84                THP_FAULT_FALLBACK_CHARGE,
  85                THP_COLLAPSE_ALLOC,
  86                THP_COLLAPSE_ALLOC_FAILED,
  87                THP_FILE_ALLOC,
  88                THP_FILE_FALLBACK,
  89                THP_FILE_FALLBACK_CHARGE,
  90                THP_FILE_MAPPED,
  91                THP_SPLIT_PAGE,
  92                THP_SPLIT_PAGE_FAILED,
  93                THP_DEFERRED_SPLIT_PAGE,
  94                THP_SPLIT_PMD,
  95#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
  96                THP_SPLIT_PUD,
  97#endif
  98                THP_ZERO_PAGE_ALLOC,
  99                THP_ZERO_PAGE_ALLOC_FAILED,
 100                THP_SWPOUT,
 101                THP_SWPOUT_FALLBACK,
 102#endif
 103#ifdef CONFIG_MEMORY_BALLOON
 104                BALLOON_INFLATE,
 105                BALLOON_DEFLATE,
 106#ifdef CONFIG_BALLOON_COMPACTION
 107                BALLOON_MIGRATE,
 108#endif
 109#endif
 110#ifdef CONFIG_DEBUG_TLBFLUSH
 111                NR_TLB_REMOTE_FLUSH,    /* cpu tried to flush others' tlbs */
 112                NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
 113                NR_TLB_LOCAL_FLUSH_ALL,
 114                NR_TLB_LOCAL_FLUSH_ONE,
 115#endif /* CONFIG_DEBUG_TLBFLUSH */
 116#ifdef CONFIG_DEBUG_VM_VMACACHE
 117                VMACACHE_FIND_CALLS,
 118                VMACACHE_FIND_HITS,
 119#endif
 120#ifdef CONFIG_SWAP
 121                SWAP_RA,
 122                SWAP_RA_HIT,
 123#endif
 124                NR_VM_EVENT_ITEMS
 125};
 126
 127#ifndef CONFIG_TRANSPARENT_HUGEPAGE
 128#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
 129#define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
 130#define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
 131#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
 132#endif
 133
 134#endif          /* VM_EVENT_ITEM_H_INCLUDED */
 135