Commit f5b801ac authored Jul 09, 2010 by Christoph Lameter Committed by Pekka Enberg Jul 16, 2010

slub: Allow removal of slab caches during boot



If a slab cache is removed before we have setup sysfs then simply skip over
the sysfs handling.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Roland Dreier <rdreier@cisco.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

parent d7278bd7

mm/slub.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -4507,6 +4507,13 @@ static int sysfs_slab_add(struct kmem_cache *s)

		static void sysfs_slab_remove(struct kmem_cache *s)
		{
		if (slab_state < SYSFS)
		/*
		* Sysfs has not been setup yet so no need to remove the
		* cache from sysfs.
		*/
		return;

		kobject_uevent(&s->kobj, KOBJ_REMOVE);
		kobject_del(&s->kobj);
		kobject_put(&s->kobj);