From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992436AbXCWO6p (ORCPT ); Fri, 23 Mar 2007 10:58:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992437AbXCWO6p (ORCPT ); Fri, 23 Mar 2007 10:58:45 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:45676 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2992436AbXCWO6o (ORCPT ); Fri, 23 Mar 2007 10:58:44 -0400 Date: Fri, 23 Mar 2007 07:58:44 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: William Lee Irwin III cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [QUICKLIST 1/5] Quicklists for page table pages V4 In-Reply-To: <20070323112331.GQ2986@holomorphy.com> Message-ID: References: <20070323062843.19502.19827.sendpatchset@schroedinger.engr.sgi.com> <20070322223927.bb4caf43.akpm@linux-foundation.org> <20070322234848.100abb3d.akpm@linux-foundation.org> <20070323112331.GQ2986@holomorphy.com> 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, 23 Mar 2007, William Lee Irwin III wrote: > [... patch changing allocator alloc()/free() to bare page allocations ...] > > but it crashes early in the page allocator (i386) and I don't see why. It > > makes me wonder if we have a use-after-free which is hidden by the presence > > of the quicklist buffering or something. Sorry there seems to be some email dropouts today. I am getting fragments of slab and quicklist discussions. Maybe I can get the whole story from the mailing lists.