diff options
author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 20:55:21 -0400 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 20:55:21 -0400 |
commit | bbb20089a3275a19e475dbc21320c3742e3ca423 (patch) | |
tree | 216fdc1cbef450ca688135c5b8969169482d9a48 /include/linux/slab_def.h | |
parent | 3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff) | |
parent | 657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff) |
Merge branch 'dmaengine' into async-tx-next
Conflicts:
crypto/async_tx/async_xor.c
drivers/dma/ioat/dma_v2.h
drivers/dma/ioat/pci.c
drivers/md/raid5.c
Diffstat (limited to 'include/linux/slab_def.h')
-rw-r--r-- | include/linux/slab_def.h | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index 5ac9b0bcaf9a..850d057500de 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h | |||
@@ -14,7 +14,88 @@ | |||
14 | #include <asm/page.h> /* kmalloc_sizes.h needs PAGE_SIZE */ | 14 | #include <asm/page.h> /* kmalloc_sizes.h needs PAGE_SIZE */ |
15 | #include <asm/cache.h> /* kmalloc_sizes.h needs L1_CACHE_BYTES */ | 15 | #include <asm/cache.h> /* kmalloc_sizes.h needs L1_CACHE_BYTES */ |
16 | #include <linux/compiler.h> | 16 | #include <linux/compiler.h> |
17 | #include <trace/kmemtrace.h> | 17 | #include <linux/kmemtrace.h> |
18 | |||
19 | /* | ||
20 | * struct kmem_cache | ||
21 | * | ||
22 | * manages a cache. | ||
23 | */ | ||
24 | |||
25 | struct kmem_cache { | ||
26 | /* 1) per-cpu data, touched during every alloc/free */ | ||
27 | struct array_cache *array[NR_CPUS]; | ||
28 | /* 2) Cache tunables. Protected by cache_chain_mutex */ | ||
29 | unsigned int batchcount; | ||
30 | unsigned int limit; | ||
31 | unsigned int shared; | ||
32 | |||
33 | unsigned int buffer_size; | ||
34 | u32 reciprocal_buffer_size; | ||
35 | /* 3) touched by every alloc & free from the backend */ | ||
36 | |||
37 | unsigned int flags; /* constant flags */ | ||
38 | unsigned int num; /* # of objs per slab */ | ||
39 | |||
40 | /* 4) cache_grow/shrink */ | ||
41 | /* order of pgs per slab (2^n) */ | ||
42 | unsigned int gfporder; | ||
43 | |||
44 | /* force GFP flags, e.g. GFP_DMA */ | ||
45 | gfp_t gfpflags; | ||
46 | |||
47 | size_t colour; /* cache colouring range */ | ||
48 | unsigned int colour_off; /* colour offset */ | ||
49 | struct kmem_cache *slabp_cache; | ||
50 | unsigned int slab_size; | ||
51 | unsigned int dflags; /* dynamic flags */ | ||
52 | |||
53 | /* constructor func */ | ||
54 | void (*ctor)(void *obj); | ||
55 | |||
56 | /* 5) cache creation/removal */ | ||
57 | const char *name; | ||
58 | struct list_head next; | ||
59 | |||
60 | /* 6) statistics */ | ||
61 | #ifdef CONFIG_DEBUG_SLAB | ||
62 | unsigned long num_active; | ||
63 | unsigned long num_allocations; | ||
64 | unsigned long high_mark; | ||
65 | unsigned long grown; | ||
66 | unsigned long reaped; | ||
67 | unsigned long errors; | ||
68 | unsigned long max_freeable; | ||
69 | unsigned long node_allocs; | ||
70 | unsigned long node_frees; | ||
71 | unsigned long node_overflow; | ||
72 | atomic_t allochit; | ||
73 | atomic_t allocmiss; | ||
74 | atomic_t freehit; | ||
75 | atomic_t freemiss; | ||
76 | |||
77 | /* | ||
78 | * If debugging is enabled, then the allocator can add additional | ||
79 | * fields and/or padding to every object. buffer_size contains the total | ||
80 | * object size including these internal fields, the following two | ||
81 | * variables contain the offset to the user object and its size. | ||
82 | */ | ||
83 | int obj_offset; | ||
84 | int obj_size; | ||
85 | #endif /* CONFIG_DEBUG_SLAB */ | ||
86 | |||
87 | /* | ||
88 | * We put nodelists[] at the end of kmem_cache, because we want to size | ||
89 | * this array to nr_node_ids slots instead of MAX_NUMNODES | ||
90 | * (see kmem_cache_init()) | ||
91 | * We still use [MAX_NUMNODES] and not [1] or [0] because cache_cache | ||
92 | * is statically defined, so we reserve the max number of nodes. | ||
93 | */ | ||
94 | struct kmem_list3 *nodelists[MAX_NUMNODES]; | ||
95 | /* | ||
96 | * Do not add fields after nodelists[] | ||
97 | */ | ||
98 | }; | ||
18 | 99 | ||
19 | /* Size description struct for general caches. */ | 100 | /* Size description struct for general caches. */ |
20 | struct cache_sizes { | 101 | struct cache_sizes { |