hc
2023-11-07 f45e756958099c35d6afb746df1d40a1c6302cfc
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/* 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
 
#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, HIGHMEM_ZONE(xx) xx##_MOVABLE
 
enum vm_event_item { PGPGIN, PGPGOUT, PGPGOUTCLEAN, PSWPIN, PSWPOUT,
       FOR_ALL_ZONES(PGALLOC),
       FOR_ALL_ZONES(ALLOCSTALL),
       FOR_ALL_ZONES(PGSCAN_SKIP),
       PGFREE, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE,
       PGFAULT, PGMAJFAULT,
       PGLAZYFREED,
       PGREFILL,
       PGSTEAL_KSWAPD,
       PGSTEAL_DIRECT,
       PGSCAN_KSWAPD,
       PGSCAN_DIRECT,
       PGSCAN_DIRECT_THROTTLE,
#ifdef CONFIG_NUMA
       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,
#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
       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_COLLAPSE_ALLOC,
       THP_COLLAPSE_ALLOC_FAILED,
       THP_FILE_ALLOC,
       THP_FILE_MAPPED,
       THP_SPLIT_PAGE,
       THP_SPLIT_PAGE_FAILED,
       THP_DEFERRED_SPLIT_PAGE,
       THP_SPLIT_PMD,
#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_DEBUG_VM_VMACACHE
       VMACACHE_FIND_CALLS,
       VMACACHE_FIND_HITS,
#endif
#ifdef CONFIG_SWAP
       SWAP_RA,
       SWAP_RA_HIT,
#endif
       NR_VM_EVENT_ITEMS
};
 
#ifndef CONFIG_TRANSPARENT_HUGEPAGE
#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
#endif
 
#endif        /* VM_EVENT_ITEM_H_INCLUDED */