From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261573AbUBXJhp (ORCPT ); Tue, 24 Feb 2004 04:37:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262065AbUBXJhp (ORCPT ); Tue, 24 Feb 2004 04:37:45 -0500 Received: from fw.osdl.org ([65.172.181.6]:42369 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261573AbUBXJho (ORCPT ); Tue, 24 Feb 2004 04:37:44 -0500 Date: Tue, 24 Feb 2004 01:37:50 -0800 From: Andrew Morton To: Chris Wedgwood Cc: piggin@cyberone.com.au, linux-kernel@vger.kernel.org Subject: Re: [PATCH] vm-fix-all_zones_ok (was Re: 2.6.3-mm3) Message-Id: <20040224013750.4c201590.akpm@osdl.org> In-Reply-To: <20040224093056.GA31521@dingdong.cryptoapps.com> References: <20040222175507.558a5b3d.akpm@osdl.org> <40396ACD.7090109@cyberone.com.au> <40396DA7.70200@cyberone.com.au> <4039B4E6.3050801@cyberone.com.au> <4039BE41.1000804@cyberone.com.au> <20040223005948.10a3b325.akpm@osdl.org> <20040223224723.GA27639@dingdong.cryptoapps.com> <403ACEFC.4070208@cyberone.com.au> <20040224091200.GA31360@dingdong.cryptoapps.com> <20040224012222.453e7db7.akpm@osdl.org> <20040224093056.GA31521@dingdong.cryptoapps.com> X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Chris Wedgwood wrote: > > I just notice I'm getting debugging output (call traces) for page > allocation failures which I've not seem before. I was getting these > (swapper: page allocation failure. order:2, mode:0x20) after beating > things to see how bad things will get for Nick. Order *two*? That's four physically contiguous pages. We haven't got a snowball's chance of satisfying an order-2 GFP_ATOMIC allocation for networking. What's the call backtrace on these failures?