From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261353AbULSX6T (ORCPT ); Sun, 19 Dec 2004 18:58:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261356AbULSX6T (ORCPT ); Sun, 19 Dec 2004 18:58:19 -0500 Received: from pao-nav01.pao.digeo.com ([12.47.58.24]:48399 "HELO pao-nav01.pao.digeo.com") by vger.kernel.org with SMTP id S261353AbULSX6Q (ORCPT ); Sun, 19 Dec 2004 18:58:16 -0500 Date: Sun, 19 Dec 2004 15:57:22 -0800 From: Andrew Morton To: Nick Piggin Cc: lista4@comhem.se, linux-kernel@vger.kernel.org, mr@ramendik.ru, kernel@kolivas.org Subject: Re: 2.6.10-rc3: kswapd eats CPU on start of memory-eating task Message-Id: <20041219155722.01b1bec0.akpm@digeo.com> In-Reply-To: <41C6073B.6030204@yahoo.com.au> References: <14514245.1103496059334.JavaMail.tomcat@pne-ps4-sn2> <41C6073B.6030204@yahoo.com.au> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 19 Dec 2004 23:57:55.0191 (UTC) FILETIME=[8EC92870:01C4E626] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Nick Piggin wrote: > > Andrew, what should we do? - Ask Voluspa to do echo 0 > /proc/sys/vm/swap_token_timeout on 2.6.10-rc3 and retest. - Dig out Rik's token-timeout-autotuning patch, make it apply, test it, then ask Volupsa and others to test that. Have you time to look into the latter? (We still don't know why it chews tons of CPU, do we?)