/* SPDX-License-Identifier: GPL-2.0 */
#ifndef VM_EVENT_ITEM_H_INCLUDED
#define VM_EVENT_ITEM_H_INCLUDED

#ifdef CONFIG_ZONE_DMA
#define DMA_ZONE(xx) xx##_DMA,
#else
#define DMA_ZONE(xx)
#endif

#ifdef CONFIG_ZONE_DMA32
#define DMA32_ZONE(xx) xx##_DMA32,
#else
#define DMA32_ZONE(xx)
#endif

#ifdef CONFIG_HIGHMEM
#define HIGHMEM_ZONE(xx) xx##_HIGH,
#else
#define HIGHMEM_ZONE(xx)
#endif

#ifdef CONFIG_ZONE_DEVICE
#define DEVICE_ZONE(xx) xx##_DEVICE,
#else
#define DEVICE_ZONE(xx)
#endif

#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, \
 HIGHMEM_ZONE(xx) xx##_MOVABLE, DEVICE_ZONE(xx)

enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
  FOR_ALL_ZONES(PGALLOC)
  FOR_ALL_ZONES(ALLOCSTALL)
  FOR_ALL_ZONES(PGSCAN_SKIP)
  PGFREE, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE,
  PGFAULT, PGMAJFAULT,
  PGLAZYFREED,
  PGREFILL,
  PGREUSE,
  PGSTEAL_KSWAPD,
  PGSTEAL_DIRECT,
  PGSTEAL_KHUGEPAGED,
  PGSTEAL_PROACTIVE,
  PGSCAN_KSWAPD,
  PGSCAN_DIRECT,
  PGSCAN_KHUGEPAGED,
  PGSCAN_PROACTIVE,
  PGSCAN_DIRECT_THROTTLE,
  PGSCAN_ANON,
  PGSCAN_FILE,
  PGSTEAL_ANON,
  PGSTEAL_FILE,
#ifdef CONFIG_NUMA
  PGSCAN_ZONE_RECLAIM_SUCCESS,
  PGSCAN_ZONE_RECLAIM_FAILED,
#endif
  PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
  KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
  PAGEOUTRUN, PGROTATED,
  DROP_PAGECACHE, DROP_SLAB,
  OOM_KILL,
#ifdef CONFIG_NUMA_BALANCING
  NUMA_PTE_UPDATES,
  NUMA_HUGE_PTE_UPDATES,
  NUMA_HINT_FAULTS,
  NUMA_HINT_FAULTS_LOCAL,
  NUMA_PAGE_MIGRATE,
#endif
#ifdef CONFIG_MIGRATION
  PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
  THP_MIGRATION_SUCCESS,
  THP_MIGRATION_FAIL,
  THP_MIGRATION_SPLIT,
#endif
#ifdef CONFIG_COMPACTION
  COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
  COMPACTISOLATED,
  COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
  KCOMPACTD_WAKE,
  KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
#endif
#ifdef CONFIG_HUGETLB_PAGE
  HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
#endif
#ifdef CONFIG_CMA
  CMA_ALLOC_SUCCESS,
  CMA_ALLOC_FAIL,
#endif
  UNEVICTABLE_PGCULLED, /* culled to noreclaim list */
  UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */
  UNEVICTABLE_PGRESCUED, /* rescued from noreclaim list */
  UNEVICTABLE_PGMLOCKED,
  UNEVICTABLE_PGMUNLOCKED,
  UNEVICTABLE_PGCLEARED, /* on COW, page truncate */
  UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
  THP_FAULT_ALLOC,
  THP_FAULT_FALLBACK,
  THP_FAULT_FALLBACK_CHARGE,
  THP_COLLAPSE_ALLOC,
  THP_COLLAPSE_ALLOC_FAILED,
  THP_FILE_ALLOC,
  THP_FILE_FALLBACK,
  THP_FILE_FALLBACK_CHARGE,
  THP_FILE_MAPPED,
  THP_SPLIT_PAGE,
  THP_SPLIT_PAGE_FAILED,
  THP_DEFERRED_SPLIT_PAGE,
  THP_UNDERUSED_SPLIT_PAGE,
  THP_SPLIT_PMD,
  THP_SCAN_EXCEED_NONE_PTE,
  THP_SCAN_EXCEED_SWAP_PTE,
  THP_SCAN_EXCEED_SHARED_PTE,
#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
  THP_SPLIT_PUD,
#endif
  THP_ZERO_PAGE_ALLOC,
  THP_ZERO_PAGE_ALLOC_FAILED,
  THP_SWPOUT,
  THP_SWPOUT_FALLBACK,
#endif
#ifdef CONFIG_MEMORY_BALLOON
  BALLOON_INFLATE,
  BALLOON_DEFLATE,
#ifdef CONFIG_BALLOON_COMPACTION
  BALLOON_MIGRATE,
#endif
#endif
#ifdef CONFIG_DEBUG_TLBFLUSH
  NR_TLB_REMOTE_FLUSH, /* cpu tried to flush others' tlbs */
  NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
  NR_TLB_LOCAL_FLUSH_ALL,
  NR_TLB_LOCAL_FLUSH_ONE,
#endif /* CONFIG_DEBUG_TLBFLUSH */
#ifdef CONFIG_SWAP
  SWAP_RA,
  SWAP_RA_HIT,
  SWPIN_ZERO,
  SWPOUT_ZERO,
#ifdef CONFIG_KSM
  KSM_SWPIN_COPY,
#endif
#endif
#ifdef CONFIG_KSM
  COW_KSM,
#endif
#ifdef CONFIG_ZSWAP
  ZSWPIN,
  ZSWPOUT,
  ZSWPWB,
#endif
#ifdef CONFIG_X86
  DIRECT_MAP_LEVEL2_SPLIT,
  DIRECT_MAP_LEVEL3_SPLIT,
  DIRECT_MAP_LEVEL2_COLLAPSE,
  DIRECT_MAP_LEVEL3_COLLAPSE,
#endif
#ifdef CONFIG_PER_VMA_LOCK_STATS
  VMA_LOCK_SUCCESS,
  VMA_LOCK_ABORT,
  VMA_LOCK_RETRY,
  VMA_LOCK_MISS,
#endif
#ifdef CONFIG_DEBUG_STACK_USAGE
  KSTACK_1K,
#if THREAD_SIZE > 1024
  KSTACK_2K,
#endif
#if THREAD_SIZE > 2048
  KSTACK_4K,
#endif
#if THREAD_SIZE > 4096
  KSTACK_8K,
#endif
#if THREAD_SIZE > 8192
  KSTACK_16K,
#endif
#if THREAD_SIZE > 16384
  KSTACK_32K,
#endif
#if THREAD_SIZE > 32768
  KSTACK_64K,
#endif
#if THREAD_SIZE > 65536
  KSTACK_REST,
#endif
#endif /* CONFIG_DEBUG_STACK_USAGE */
  NR_VM_EVENT_ITEMS
};

#ifndef CONFIG_TRANSPARENT_HUGEPAGE
#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
#define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
#define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
#endif

#endif  /* VM_EVENT_ITEM_H_INCLUDED */