diff options
| author | Christoph Lameter <cl@linux.com> | 2012-09-05 01:38:33 +0200 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-09-05 11:00:35 +0200 |
| commit | 7c9adf5a5471647f392169ef19d3e81dcfa76045 (patch) | |
| tree | 4e32d1875e45eafd4c4c9f2caedcf3419479c0b8 /mm/slab_common.c | |
| parent | mm/slab_common: Improve error handling in kmem_cache_create (diff) | |
| download | linux-7c9adf5a5471647f392169ef19d3e81dcfa76045.tar.xz linux-7c9adf5a5471647f392169ef19d3e81dcfa76045.zip | |
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.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index fe8dc943c285..5190a7cd02bd 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(); |