From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161105AbWG1PgN (ORCPT ); Fri, 28 Jul 2006 11:36:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161124AbWG1PgM (ORCPT ); Fri, 28 Jul 2006 11:36:12 -0400 Received: from omx2-ext.sgi.com ([192.48.171.19]:40610 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1161105AbWG1PgL (ORCPT ); Fri, 28 Jul 2006 11:36:11 -0400 Date: Fri, 28 Jul 2006 08:35:42 -0700 (PDT) From: Christoph Lameter To: Thomas Gleixner cc: Pekka Enberg , LKML , Ingo Molnar , Arjan van de Ven , alokk@calsoftinc.com Subject: Re: [BUG] Lockdep recursive locking in kmem_cache_free In-Reply-To: <1154067247.27297.104.camel@localhost.localdomain> Message-ID: References: <1154044607.27297.101.camel@localhost.localdomain> <84144f020607272222o7b1d0270p997b8e3bf07e39e7@mail.gmail.com> <1154067247.27297.104.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 28 Jul 2006, Thomas Gleixner wrote: > If you need more info, I can add debugs. It happens every bootup. Could you tell me why _spin_lock and _spin_unlock seem to be calling into the slab allocator? Also what is child_rip()? Cannot find that function upstream. There should be no lock recursion here because we are talking about alien cache arrays on different nodes.