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authorChristoph Lameter <cl@linux-foundation.org>2010-07-09 23:07:13 +0400
committerPekka Enberg <penberg@cs.helsinki.fi>2010-07-16 12:13:07 +0400
commitf5b801ac38a9612b380ee9a75ab1861f0594e79f (patch)
treec43a34bfec58e91f1aa46e95462977e24b390a37 /mm/slub.c
parentd7278bd7d1aab5c6d35fd271eeb860548f0bd0bb (diff)
downloadlinux-f5b801ac38a9612b380ee9a75ab1861f0594e79f.tar.xz
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>
Diffstat (limited to 'mm/slub.c')
-rw-r--r--mm/slub.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 8655be5b7404..b89a7c99b2fa 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -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);