tree ae480cb4514cbddf38ee43ec4513f59cfa42c3d7
parent 97d06609158e61f6bdf538c4a6788e2de492236f
author Christoph Lameter <cl@linux.com> 1341606312 -0500
committer Pekka Enberg <penberg@kernel.org> 1341825221 +0300

mm, sl[aou]b: Use a common mutex definition

Use the mutex definition from SLAB and make it the common way to take a sleeping lock.

This has the effect of using a mutex instead of a rw semaphore for SLUB.

SLOB gains the use of a mutex for kmem_cache_create serialization.
Not needed now but SLOB may acquire some more features later (like slabinfo
/ sysfs support) through the expansion of the common code that will
need this.

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>