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