include/linux/vm_event_item.h

/* 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, 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_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_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_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 */