From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261693AbULBRZF (ORCPT ); Thu, 2 Dec 2004 12:25:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261694AbULBRZF (ORCPT ); Thu, 2 Dec 2004 12:25:05 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:55757 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S261693AbULBRZB (ORCPT ); Thu, 2 Dec 2004 12:25:01 -0500 Date: Thu, 2 Dec 2004 09:18:29 -0200 From: Marcelo Tosatti To: Andrew Morton Cc: Andrea Arcangeli , tglx@linutronix.de, linux-kernel@vger.kernel.org, nickpiggin@yahoo.com.au Subject: Re: [PATCH] oom killer (Core) Message-ID: <20041202111829.GA3180@dmt.cyclades> References: <20041201104820.1.patchmail@tglx> <20041201211638.GB4530@dualathlon.random> <1101938767.13353.62.camel@tglx.tec.linutronix.de> <20041202033619.GA32635@dualathlon.random> <1101985759.13353.102.camel@tglx.tec.linutronix.de> <1101995280.13353.124.camel@tglx.tec.linutronix.de> <20041202164725.GB32635@dualathlon.random> <20041202085518.58e0e8eb.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041202085518.58e0e8eb.akpm@osdl.org> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 02, 2004 at 08:55:18AM -0800, Andrew Morton wrote: > Andrea Arcangeli wrote: > > > > I believe the thing you're hiding with the callback, is some screwup in > > the VM. It shouldn't fire oom 300 times in a row. > > Well no ;) I bet zone->all_unreclaimable is one of the main issues here as Andrea notes. > Thomas, could you please put together a description of how to reproduce > this behaviour? A simple "fillmem" works for me - the OOM killer kills the hog and the bash which its being ran from. Have you tried that? If you fire up a few fillmem's at the same time I bet you'll see the problem in a greater degree.