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#ifdef CONFIG_ZONE_DEVICE
24#define DEVICE_ZONE(xx) xx##_DEVICE,
25#else
26#define DEVICE_ZONE(xx)
27#endif
28
29#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, \
30 HIGHMEM_ZONE(xx) xx##_MOVABLE, DEVICE_ZONE(xx)
31
32enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
33 FOR_ALL_ZONES(PGALLOC)
34 FOR_ALL_ZONES(ALLOCSTALL)
35 FOR_ALL_ZONES(PGSCAN_SKIP)
36 PGFREE, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE,
37 PGFAULT, PGMAJFAULT,
38 PGLAZYFREED,
39 PGREFILL,
40 PGREUSE,
41 PGSTEAL_KSWAPD,
42 PGSTEAL_DIRECT,
43 PGSTEAL_KHUGEPAGED,
44 PGSCAN_KSWAPD,
45 PGSCAN_DIRECT,
46 PGSCAN_KHUGEPAGED,
47 PGSCAN_DIRECT_THROTTLE,
48 PGSCAN_ANON,
49 PGSCAN_FILE,
50 PGSTEAL_ANON,
51 PGSTEAL_FILE,
52#ifdef CONFIG_NUMA
53 PGSCAN_ZONE_RECLAIM_FAILED,
54#endif
55 PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
56 KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
57 PAGEOUTRUN, PGROTATED,
58 DROP_PAGECACHE, DROP_SLAB,
59 OOM_KILL,
60#ifdef CONFIG_NUMA_BALANCING
61 NUMA_PTE_UPDATES,
62 NUMA_HUGE_PTE_UPDATES,
63 NUMA_HINT_FAULTS,
64 NUMA_HINT_FAULTS_LOCAL,
65 NUMA_PAGE_MIGRATE,
66#endif
67#ifdef CONFIG_MIGRATION
68 PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
69 THP_MIGRATION_SUCCESS,
70 THP_MIGRATION_FAIL,
71 THP_MIGRATION_SPLIT,
72#endif
73#ifdef CONFIG_COMPACTION
74 COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
75 COMPACTISOLATED,
76 COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
77 KCOMPACTD_WAKE,
78 KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
79#endif
80#ifdef CONFIG_HUGETLB_PAGE
81 HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
82#endif
83#ifdef CONFIG_CMA
84 CMA_ALLOC_SUCCESS,
85 CMA_ALLOC_FAIL,
86#endif
87 UNEVICTABLE_PGCULLED, /* culled to noreclaim list */
88 UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */
89 UNEVICTABLE_PGRESCUED, /* rescued from noreclaim list */
90 UNEVICTABLE_PGMLOCKED,
91 UNEVICTABLE_PGMUNLOCKED,
92 UNEVICTABLE_PGCLEARED, /* on COW, page truncate */
93 UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
94#ifdef CONFIG_TRANSPARENT_HUGEPAGE
95 THP_FAULT_ALLOC,
96 THP_FAULT_FALLBACK,
97 THP_FAULT_FALLBACK_CHARGE,
98 THP_COLLAPSE_ALLOC,
99 THP_COLLAPSE_ALLOC_FAILED,
100 THP_FILE_ALLOC,
101 THP_FILE_FALLBACK,
102 THP_FILE_FALLBACK_CHARGE,
103 THP_FILE_MAPPED,
104 THP_SPLIT_PAGE,
105 THP_SPLIT_PAGE_FAILED,
106 THP_DEFERRED_SPLIT_PAGE,
107 THP_SPLIT_PMD,
108 THP_SCAN_EXCEED_NONE_PTE,
109 THP_SCAN_EXCEED_SWAP_PTE,
110 THP_SCAN_EXCEED_SHARED_PTE,
111#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
112 THP_SPLIT_PUD,
113#endif
114 THP_ZERO_PAGE_ALLOC,
115 THP_ZERO_PAGE_ALLOC_FAILED,
116 THP_SWPOUT,
117 THP_SWPOUT_FALLBACK,
118#endif
119#ifdef CONFIG_MEMORY_BALLOON
120 BALLOON_INFLATE,
121 BALLOON_DEFLATE,
122#ifdef CONFIG_BALLOON_COMPACTION
123 BALLOON_MIGRATE,
124#endif
125#endif
126#ifdef CONFIG_DEBUG_TLBFLUSH
127 NR_TLB_REMOTE_FLUSH, /* cpu tried to flush others' tlbs */
128 NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
129 NR_TLB_LOCAL_FLUSH_ALL,
130 NR_TLB_LOCAL_FLUSH_ONE,
131#endif /* CONFIG_DEBUG_TLBFLUSH */
132#ifdef CONFIG_SWAP
133 SWAP_RA,
134 SWAP_RA_HIT,
135#ifdef CONFIG_KSM
136 KSM_SWPIN_COPY,
137#endif
138#endif
139#ifdef CONFIG_KSM
140 COW_KSM,
141#endif
142#ifdef CONFIG_ZSWAP
143 ZSWPIN,
144 ZSWPOUT,
145 ZSWPWB,
146#endif
147#ifdef CONFIG_X86
148 DIRECT_MAP_LEVEL2_SPLIT,
149 DIRECT_MAP_LEVEL3_SPLIT,
150#endif
151#ifdef CONFIG_PER_VMA_LOCK_STATS
152 VMA_LOCK_SUCCESS,
153 VMA_LOCK_ABORT,
154 VMA_LOCK_RETRY,
155 VMA_LOCK_MISS,
156#endif
157 NR_VM_EVENT_ITEMS
158};
159
160#ifndef CONFIG_TRANSPARENT_HUGEPAGE
161#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
162#define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
163#define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
164#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
165#endif
166
167#endif /* VM_EVENT_ITEM_H_INCLUDED */
168

source code of linux/include/linux/vm_event_item.h