diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-26 21:46:18 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-26 21:46:18 +0200 |
| commit | 138c4ae9cfda8fdcf9e137457853b09ef8cf8f77 (patch) | |
| tree | 704c363de6d5868b08e9ae31a436ff04d423f625 /include | |
| parent | 3b3dd79d6a8b3debd0291465fc8cd9caf765d545 (diff) | |
| parent | e182a345d40deba7c3165a2857812bf403818319 (diff) | |
Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
* 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
tools, slub: Fix off-by-one buffer corruption after readlink() call
slub: Discard slab page when node partial > minimum partial number
slub: correct comments error for per cpu partial
mm: restrict access to slab files under procfs and sysfs
slub: Code optimization in get_partial_node()
slub: doc: update the slabinfo.c file path
slub: explicitly document position of inserting slab to partial list
slub: update slabinfo tools to report per cpu partial list statistics
slub: per cpu cache for partial pages
slub: return object pointer from get_partial() / new_slab().
slub: pass kmem_cache_cpu pointer to get_partial()
slub: Prepare inuse field in new_slab()
slub: Remove useless statements in __slab_alloc
slub: free slabs without holding locks
slub: use print_hex_dump
slab: use print_hex_dump
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm_types.h | 14 | ||||
| -rw-r--r-- | include/linux/slub_def.h | 4 |
2 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 29971a589ff..c93d00a6e95 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -79,9 +79,21 @@ struct page { }; /* Third double word block */ - struct list_head lru; /* Pageout list, eg. active_list + union { + struct list_head lru; /* Pageout list, eg. active_list * protected by zone->lru_lock ! */ + struct { /* slub per cpu partial pages */ + struct page *next; /* Next partial slab */ +#ifdef CONFIG_64BIT + int pages; /* Nr of partial slabs left */ + int pobjects; /* Approximate # of objects */ +#else + short int pages; + short int pobjects; +#endif + }; + }; /* Remainder is not double word aligned */ union { diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index f58d6413d23..a32bcfdc783 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -36,12 +36,15 @@ enum stat_item { ORDER_FALLBACK, /* Number of times fallback was necessary */ CMPXCHG_DOUBLE_CPU_FAIL,/* Failure of this_cpu_cmpxchg_double */ CMPXCHG_DOUBLE_FAIL, /* Number of times that cmpxchg double did not match */ + CPU_PARTIAL_ALLOC, /* Used cpu partial on alloc */ + CPU_PARTIAL_FREE, /* USed cpu partial on free */ NR_SLUB_STAT_ITEMS }; struct kmem_cache_cpu { void **freelist; /* Pointer to next available object */ unsigned long tid; /* Globally unique transaction id */ struct page *page; /* The slab from which we are allocating */ + struct page *partial; /* Partially allocated frozen slabs */ int node; /* The node of the page (or -1 for debug) */ #ifdef CONFIG_SLUB_STATS unsigned stat[NR_SLUB_STAT_ITEMS]; @@ -79,6 +82,7 @@ struct kmem_cache { int size; /* The size of an object including meta data */ int objsize; /* The size of an object without meta data */ int offset; /* Free pointer offset. */ + int cpu_partial; /* Number of per cpu partial objects to keep around */ struct kmem_cache_order_objects oo; /* Allocation and freeing of slabs */ |