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| author | Christoph Lameter <cl@linux.com> | 2012-09-04 23:18:33 +0000 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-09-05 12:00:35 +0300 |
| commit | 945cf2b6199be70ff03102b9e642c3bb05d01de9 (patch) | |
| tree | b0deef56b1d79af1054f0cf1bd91c6fb00ce31a5 /mm/slob.c | |
| parent | 7c9adf5a5471647f392169ef19d3e81dcfa76045 (diff) | |
| download | lwn-945cf2b6199be70ff03102b9e642c3bb05d01de9.tar.gz lwn-945cf2b6199be70ff03102b9e642c3bb05d01de9.zip | |
mm/sl[aou]b: Extract a common function for kmem_cache_destroy
kmem_cache_destroy does basically the same in all allocators.
Extract common code which is easy since we already have common mutex
handling.
Reviewed-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slob.c')
| -rw-r--r-- | mm/slob.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/mm/slob.c b/mm/slob.c index 5225d28f2694..289be4f4681a 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -538,18 +538,11 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size, return c; } -void kmem_cache_destroy(struct kmem_cache *c) +void __kmem_cache_destroy(struct kmem_cache *c) { - mutex_lock(&slab_mutex); - list_del(&c->list); - mutex_unlock(&slab_mutex); - kmemleak_free(c); - if (c->flags & SLAB_DESTROY_BY_RCU) - rcu_barrier(); slob_free(c, sizeof(struct kmem_cache)); } -EXPORT_SYMBOL(kmem_cache_destroy); void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node) { @@ -617,6 +610,12 @@ unsigned int kmem_cache_size(struct kmem_cache *c) } EXPORT_SYMBOL(kmem_cache_size); +int __kmem_cache_shutdown(struct kmem_cache *c) +{ + /* No way to check for remaining objects */ + return 0; +} + int kmem_cache_shrink(struct kmem_cache *d) { return 0; |