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authorChristoph Lameter <cl@linux.com>2012-09-05 00:20:34 +0000
committerPekka Enberg <penberg@kernel.org>2012-09-05 12:00:36 +0300
commit278b1bb1313664d4999a7f7d47a8a8d964862d02 (patch)
tree65e05bc30338a24fd4afd4c4e8b49b8d3e002218 /mm/slob.c
parent96d17b7be0a9849d381442030886211dbb2a7061 (diff)
mm/sl[aou]b: Move kmem_cache allocations into common code
Shift the allocations to common code. That way the allocation and freeing of the kmem_cache structures is handled by common code. 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.c42
1 files changed, 17 insertions, 25 deletions
diff --git a/mm/slob.c b/mm/slob.c
index 50f605322700..9b0cee1e8475 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -508,34 +508,26 @@ size_t ksize(const void *block)
}
EXPORT_SYMBOL(ksize);
-struct kmem_cache *__kmem_cache_create(const char *name, size_t size,
+int __kmem_cache_create(struct kmem_cache *c, const char *name, size_t size,
size_t align, unsigned long flags, void (*ctor)(void *))
{
- struct kmem_cache *c;
-
- c = slob_alloc(sizeof(struct kmem_cache),
- GFP_KERNEL, ARCH_KMALLOC_MINALIGN, -1);
-
- if (c) {
- c->name = name;
- c->size = size;
- if (flags & SLAB_DESTROY_BY_RCU) {
- /* leave room for rcu footer at the end of object */
- c->size += sizeof(struct slob_rcu);
- }
- c->flags = flags;
- c->ctor = ctor;
- /* ignore alignment unless it's forced */
- c->align = (flags & SLAB_HWCACHE_ALIGN) ? SLOB_ALIGN : 0;
- if (c->align < ARCH_SLAB_MINALIGN)
- c->align = ARCH_SLAB_MINALIGN;
- if (c->align < align)
- c->align = align;
-
- kmemleak_alloc(c, sizeof(struct kmem_cache), 1, GFP_KERNEL);
- c->refcount = 1;
+ c->name = name;
+ c->size = size;
+ if (flags & SLAB_DESTROY_BY_RCU) {
+ /* leave room for rcu footer at the end of object */
+ c->size += sizeof(struct slob_rcu);
}
- return c;
+ c->flags = flags;
+ c->ctor = ctor;
+ /* ignore alignment unless it's forced */
+ c->align = (flags & SLAB_HWCACHE_ALIGN) ? SLOB_ALIGN : 0;
+ if (c->align < ARCH_SLAB_MINALIGN)
+ c->align = ARCH_SLAB_MINALIGN;
+ if (c->align < align)
+ c->align = align;
+
+ c->refcount = 1;
+ return 0;
}
void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node)