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authorChristoph Lameter <cl@linux.com>2012-09-04 23:38:33 +0000
committerPekka Enberg <penberg@kernel.org>2012-09-05 12:00:35 +0300
commit7c9adf5a5471647f392169ef19d3e81dcfa76045 (patch)
tree4e32d1875e45eafd4c4c9f2caedcf3419479c0b8 /mm/slab_common.c
parent686d550d222e8f83f6e709debbedf9d8ef77aec7 (diff)
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mm/sl[aou]b: Move list_add() to slab_common.c
Move the code to append the new kmem_cache to the list of slab caches to the kmem_cache_create code in the shared code. This is possible now since the acquisition of the mutex was moved into kmem_cache_create(). Acked-by: David Rientjes <rientjes@google.com> Reviewed-by: Glauber Costa <glommer@parallels.com> Reviewed-by: Joonsoo Kim <js1304@gmail.com> Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slab_common.c')
-rw-r--r--mm/slab_common.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index fe8dc943c28..5190a7cd02b 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -111,6 +111,13 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align
if (!s)
err = -ENOSYS; /* Until __kmem_cache_create returns code */
+ /*
+ * Check if the slab has actually been created and if it was a
+ * real instatiation. Aliases do not belong on the list
+ */
+ if (s && s->refcount == 1)
+ list_add(&s->list, &slab_caches);
+
out_locked:
mutex_unlock(&slab_mutex);
put_online_cpus();