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slub: Allow removal of slab caches during boot

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

Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Roland Dreier <[email protected]>
Acked-by: David Rientjes <[email protected]>
Signed-off-by: Christoph Lameter <[email protected]>
Signed-off-by: Pekka Enberg <[email protected]>
This commit is contained in:
Christoph Lameter 2010-07-09 14:07:13 -05:00 • committed by Pekka Enberg
commit f5b801ac38
1 changed files with 7 additions and 0 deletions
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7
mm/slub.c
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@ -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);