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>
diff --git a/mm/slab_common.c b/mm/slab_common.c
index fe8dc94..5190a7c 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -111,6 +111,13 @@
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();