From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754061AbWLROZp (ORCPT ); Mon, 18 Dec 2006 09:25:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754064AbWLROZp (ORCPT ); Mon, 18 Dec 2006 09:25:45 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:48773 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754061AbWLROZo (ORCPT ); Mon, 18 Dec 2006 09:25:44 -0500 Date: Mon, 18 Dec 2006 15:23:38 +0100 From: Ingo Molnar To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Linus Torvalds Subject: [patch] lockdep: also check for freed locks in kmem_cache_free() Message-ID: <20061218142338.GA1902@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.6 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.6 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0018] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Subject: [patch] lockdep: also check for freed locks in kmem_cache_free() From: Ingo Molnar kmem_cache_free() was missing the check for freeing held locks. Signed-off-by: Ingo Molnar --- mm/slab.c | 1 + 1 file changed, 1 insertion(+) Index: linux/mm/slab.c =================================================================== --- linux.orig/mm/slab.c +++ linux/mm/slab.c @@ -3533,6 +3533,7 @@ void kmem_cache_free(struct kmem_cache * BUG_ON(virt_to_cache(objp) != cachep); local_irq_save(flags); + debug_check_no_locks_freed(objp, obj_size(cachep)); __cache_free(cachep, objp); local_irq_restore(flags); }