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| author | Christoph Lameter <cl@linux.com> | 2013-01-10 19:14:19 +0000 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2013-02-01 12:32:09 +0200 |
| commit | ca34956b804b7554fc4e88826773380d9d5122a8 (patch) | |
| tree | 5fbcbd881ebe6e0229f59ff97f7d7a36ccd6e004 /mm/slab.h | |
| parent | ce8eb6c424c794d7fb4d1a6667d267990ca28072 (diff) | |
| download | kernel-common-ca34956b804b7554fc4e88826773380d9d5122a8.tar.gz kernel-common-ca34956b804b7554fc4e88826773380d9d5122a8.tar.bz2 kernel-common-ca34956b804b7554fc4e88826773380d9d5122a8.zip | |
slab: Common definition for kmem_cache_node
Put the definitions for the kmem_cache_node structures together so that
we have one structure. That will allow us to create more common fields in
the future which could yield more opportunities to share code.
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slab.h')
| -rw-r--r-- | mm/slab.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/mm/slab.h b/mm/slab.h index f0a552ff7b9b..f96b49e4704e 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -239,3 +239,35 @@ static inline struct kmem_cache *cache_from_obj(struct kmem_cache *s, void *x) return s; } #endif + + +/* + * The slab lists for all objects. + */ +struct kmem_cache_node { + spinlock_t list_lock; + +#ifdef CONFIG_SLAB + struct list_head slabs_partial; /* partial list first, better asm code */ + struct list_head slabs_full; + struct list_head slabs_free; + unsigned long free_objects; + unsigned int free_limit; + unsigned int colour_next; /* Per-node cache coloring */ + struct array_cache *shared; /* shared per node */ + struct array_cache **alien; /* on other nodes */ + unsigned long next_reap; /* updated without locking */ + int free_touched; /* updated without locking */ +#endif + +#ifdef CONFIG_SLUB + unsigned long nr_partial; + struct list_head partial; +#ifdef CONFIG_SLUB_DEBUG + atomic_long_t nr_slabs; + atomic_long_t total_objects; + struct list_head full; +#endif +#endif + +}; |