Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 PGDEMOTE_KSWAPD,
37 PGDEMOTE_DIRECT,
38 PGSCAN_KSWAPD,
39 PGSCAN_DIRECT,
40 PGSCAN_DIRECT_THROTTLE,
41 PGSCAN_ANON,
42 PGSCAN_FILE,
43 PGSTEAL_ANON,
44 PGSTEAL_FILE,
45#ifdef CONFIG_NUMA
46 PGSCAN_ZONE_RECLAIM_FAILED,
47#endif
48 PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
49 KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
50 PAGEOUTRUN, PGROTATED,
51 DROP_PAGECACHE, DROP_SLAB,
52 OOM_KILL,
53#ifdef CONFIG_NUMA_BALANCING
54 NUMA_PTE_UPDATES,
55 NUMA_HUGE_PTE_UPDATES,
56 NUMA_HINT_FAULTS,
57 NUMA_HINT_FAULTS_LOCAL,
58 NUMA_PAGE_MIGRATE,
59#endif
60#ifdef CONFIG_MIGRATION
61 PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
62 THP_MIGRATION_SUCCESS,
63 THP_MIGRATION_FAIL,
64 THP_MIGRATION_SPLIT,
65#endif
66#ifdef CONFIG_COMPACTION
67 COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
68 COMPACTISOLATED,
69 COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
70 KCOMPACTD_WAKE,
71 KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
72#endif
73#ifdef CONFIG_HUGETLB_PAGE
74 HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
75#endif
76#ifdef CONFIG_CMA
77 CMA_ALLOC_SUCCESS,
78 CMA_ALLOC_FAIL,
79#endif
80 UNEVICTABLE_PGCULLED, /* culled to noreclaim list */
81 UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */
82 UNEVICTABLE_PGRESCUED, /* rescued from noreclaim list */
83 UNEVICTABLE_PGMLOCKED,
84 UNEVICTABLE_PGMUNLOCKED,
85 UNEVICTABLE_PGCLEARED, /* on COW, page truncate */
86 UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
87#ifdef CONFIG_TRANSPARENT_HUGEPAGE
88 THP_FAULT_ALLOC,
89 THP_FAULT_FALLBACK,
90 THP_FAULT_FALLBACK_CHARGE,
91 THP_COLLAPSE_ALLOC,
92 THP_COLLAPSE_ALLOC_FAILED,
93 THP_FILE_ALLOC,
94 THP_FILE_FALLBACK,
95 THP_FILE_FALLBACK_CHARGE,
96 THP_FILE_MAPPED,
97 THP_SPLIT_PAGE,
98 THP_SPLIT_PAGE_FAILED,
99 THP_DEFERRED_SPLIT_PAGE,
100 THP_SPLIT_PMD,
101 THP_SCAN_EXCEED_NONE_PTE,
102 THP_SCAN_EXCEED_SWAP_PTE,
103 THP_SCAN_EXCEED_SHARED_PTE,
104#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
105 THP_SPLIT_PUD,
106#endif
107 THP_ZERO_PAGE_ALLOC,
108 THP_ZERO_PAGE_ALLOC_FAILED,
109 THP_SWPOUT,
110 THP_SWPOUT_FALLBACK,
111#endif
112#ifdef CONFIG_MEMORY_BALLOON
113 BALLOON_INFLATE,
114 BALLOON_DEFLATE,
115#ifdef CONFIG_BALLOON_COMPACTION
116 BALLOON_MIGRATE,
117#endif
118#endif
119#ifdef CONFIG_DEBUG_TLBFLUSH
120 NR_TLB_REMOTE_FLUSH, /* cpu tried to flush others' tlbs */
121 NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
122 NR_TLB_LOCAL_FLUSH_ALL,
123 NR_TLB_LOCAL_FLUSH_ONE,
124#endif /* CONFIG_DEBUG_TLBFLUSH */
125#ifdef CONFIG_DEBUG_VM_VMACACHE
126 VMACACHE_FIND_CALLS,
127 VMACACHE_FIND_HITS,
128#endif
129#ifdef CONFIG_SWAP
130 SWAP_RA,
131 SWAP_RA_HIT,
132#ifdef CONFIG_KSM
133 KSM_SWPIN_COPY,
134#endif
135#endif
136#ifdef CONFIG_X86
137 DIRECT_MAP_LEVEL2_SPLIT,
138 DIRECT_MAP_LEVEL3_SPLIT,
139#endif
140 NR_VM_EVENT_ITEMS
141};
142
143#ifndef CONFIG_TRANSPARENT_HUGEPAGE
144#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
145#define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
146#define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
147#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
148#endif
149
150#endif /* VM_EVENT_ITEM_H_INCLUDED */