mm/sl[aou]b: Move list_add() to slab_common.c

[firefly-linux-kernel-4.4.55.git] / mm / slab_common.c

diff --git a/mm/slab_common.c b/mm/slab_common.c
index fe8dc943c285c5b3627fd9fc331cb504f552eb9f..5190a7cd02bda88a3df30b4f53166cf72ad74374 100644 (file)
--- 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();