tree cd8563b6b7fc120bf43cfbbe3ab63a5f859fb583
parent c8522a3a5832b843570a3315674f5a3575958a51
author Joonsoo Kim <iamjoonsoo.kim@lge.com> 1407366271 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1407373274 -0700

slab: use the lock on alien_cache, instead of the lock on array_cache

Now, we have separate alien_cache structure, so it'd be better to hold
the lock on alien_cache while manipulating alien_cache.  After that, we
don't need the lock on array_cache, so remove it.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>