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authorChristoph Lameter <cl@linux.com>2012-09-05 03:18:33 +0400
committerPekka Enberg <penberg@kernel.org>2012-09-05 13:00:35 +0400
commit945cf2b6199be70ff03102b9e642c3bb05d01de9 (patch)
treeb0deef56b1d79af1054f0cf1bd91c6fb00ce31a5 /mm/slob.c
parent7c9adf5a5471647f392169ef19d3e81dcfa76045 (diff)
downloadlinux-945cf2b6199be70ff03102b9e642c3bb05d01de9.tar.xz
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.c15
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;