From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422762AbXCOAIK (ORCPT ); Wed, 14 Mar 2007 20:08:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422765AbXCOAIK (ORCPT ); Wed, 14 Mar 2007 20:08:10 -0400 Received: from smtp.osdl.org ([65.172.181.24]:34435 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422762AbXCOAII (ORCPT ); Wed, 14 Mar 2007 20:08:08 -0400 Date: Wed, 14 Mar 2007 17:07:38 -0800 From: Andrew Morton To: Mariusz Kozlowski Cc: linux-kernel@vger.kernel.org, Mel Gorman Subject: Re: 2.6.21-rc3-mm1 Message-Id: <20070314170738.d5d35c06.akpm@linux-foundation.org> In-Reply-To: <200703142006.04547.m.kozlowski@tuxland.pl> References: <20070307201839.6f45735b.akpm@linux-foundation.org> <200703142006.04547.m.kozlowski@tuxland.pl> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.19; 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 > On Wed, 14 Mar 2007 20:06:02 +0100 Mariusz Kozlowski wrote: > Hello, > > Today after +- 24h of uptime I found some more page allocation > failures ('eth1: Can't allocate skb for Rx'). You'll find more here: > > http://tuxland.pl/misc/2.6.21-rc3-mm1-page-allocation-failure.txt > > System wasn't doing anything unusual, as usual ;-) X, some p2p > software, firefox+flash playing music. > Do other kernels do this, or is 2.6.21-rc3-mm1 worse? It is of course a non-fatal problem and will inevitably happen sometimes, but we would like the VM to be able to minimise the occurrence of this problem. I think we were rather hoping that Mel's anti-fragmentation work would improve things.