Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755663AbZKWTbX (ORCPT ); Mon, 23 Nov 2009 14:31:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754333AbZKWTbW (ORCPT ); Mon, 23 Nov 2009 14:31:22 -0500 Received: from nlpi157.sbcis.sbc.com ([207.115.36.171]:52058 "EHLO nlpi157.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754457AbZKWTbW (ORCPT ); Mon, 23 Nov 2009 14:31:22 -0500 Date: Mon, 23 Nov 2009 13:30:50 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@router.home To: Pekka Enberg cc: Peter Zijlstra , paulmck@linux.vnet.ibm.com, linux-mm@kvack.org, mpm@selenic.com, LKML , Nick Piggin Subject: Re: lockdep complaints in slab allocator In-Reply-To: <1259002800.5630.1.camel@penberg-laptop> Message-ID: References: <20091118181202.GA12180@linux.vnet.ibm.com> <84144f020911192249l6c7fa495t1a05294c8f5b6ac8@mail.gmail.com> <1258709153.11284.429.camel@laptop> <84144f020911200238w3d3ecb38k92ca595beee31de5@mail.gmail.com> <1258714328.11284.522.camel@laptop> <4B067816.6070304@cs.helsinki.fi> <1258729748.4104.223.camel@laptop> <1259002800.5630.1.camel@penberg-laptop> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 482 Lines: 11 On Mon, 23 Nov 2009, Pekka Enberg wrote: > That turns out to be _very_ hard. How about something like the following > untested patch which delays slab_destroy() while we're under nc->lock. Code changes to deal with a diagnostic issue? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/