From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751126AbWDJK1e (ORCPT ); Mon, 10 Apr 2006 06:27:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751128AbWDJK1d (ORCPT ); Mon, 10 Apr 2006 06:27:33 -0400 Received: from mail27.syd.optusnet.com.au ([211.29.133.168]:34226 "EHLO mail27.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S1751126AbWDJK1d (ORCPT ); Mon, 10 Apr 2006 06:27:33 -0400 From: Con Kolivas To: Grzegorz Kulewski Subject: Re: Slow swapon for big (12GB) swap Date: Mon, 10 Apr 2006 20:27:13 +1000 User-Agent: KMail/1.9.1 Cc: Andrew Morton , linux-kernel@vger.kernel.org References: <20060410004030.5e48be79.akpm@osdl.org> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200604102027.13741.kernel@kolivas.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 10 April 2006 20:25, Grzegorz Kulewski wrote: > The kernel is 2.6.16-rc3-git2-ck1. There is -ck patch in it but I strongly > hope that swap prefetch is not *that* buggy to cause such things... I am > considering testing vanilla. Con CC'd. Turn it off by setting the swap_prefetch tunable to 0. That disables even storing swapped information. Swap prefetch does very little with that set to 0, but ultimately you'd have to de-configure it to be sure I guess. -- -ck