From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id 6C7806B02A7 for ; Fri, 9 Jul 2010 15:12:23 -0400 (EDT) Message-Id: <20100709190853.770833931@quilx.com> Date: Fri, 09 Jul 2010 14:07:13 -0500 From: Christoph Lameter Subject: [S+Q2 07/19] slub: Allow removal of slab caches during boot References: <20100709190706.938177313@quilx.com> Content-Disposition: inline; filename=slub_sysfs_remove_during_boot Sender: owner-linux-mm@kvack.org To: Pekka Enberg Cc: linux-mm@kvack.org, Benjamin Herrenschmidt , Roland Dreier , linux-kernel@vger.kernel.org, Nick Piggin , David Rientjes List-ID: If a slab cache is removed before we have setup sysfs then simply skip over the sysfs handling. Cc: Benjamin Herrenschmidt Cc: Roland Dreier Signed-off-by: Christoph Lameter --- mm/slub.c | 7 +++++++ 1 file changed, 7 insertions(+) Index: linux-2.6/mm/slub.c =================================================================== --- linux-2.6.orig/mm/slub.c 2010-07-06 15:13:48.000000000 -0500 +++ linux-2.6/mm/slub.c 2010-07-06 15:15:27.000000000 -0500 @@ -4507,6 +4507,13 @@ static int sysfs_slab_add(struct kmem_ca 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); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org