Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269049AbUINSdJ (ORCPT ); Tue, 14 Sep 2004 14:33:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269223AbUINScz (ORCPT ); Tue, 14 Sep 2004 14:32:55 -0400 Received: from sccrmhc12.comcast.net ([204.127.202.56]:63723 "EHLO sccrmhc12.comcast.net") by vger.kernel.org with ESMTP id S269049AbUINScF (ORCPT ); Tue, 14 Sep 2004 14:32:05 -0400 Subject: Re: swapping and the value of /proc/sys/vm/swappiness From: Florin Andrei Reply-To: linux-kernel@vger.kernel.org To: linux-kernel@vger.kernel.org In-Reply-To: <20040906162740.54a5d6c9.akpm@osdl.org> References: <413CB661.6030303@sgi.com> <20040906162740.54a5d6c9.akpm@osdl.org> Content-Type: text/plain Message-Id: <1095186713.6309.15.camel@stantz.corp.sgi.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Tue, 14 Sep 2004 11:31:53 -0700 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1525 Lines: 40 On Mon, 2004-09-06 at 16:27, Andrew Morton wrote: > Con Kolivas wrote: > > The change was not deliberate but there have been some other people report > > significant changes in the swappiness behaviour as well (see archives). It > > has usually been of the increased swapping variety lately. It has been > > annoying enough to the bleeding edge desktop users for a swag of out-of-tree > > hacks to start appearing (like mine). > > All of which is largely wasted effort. >From a highly-theoretical, ivory-tower perspective, maybe; i am not the one to pass judgement. >From a realistic, "fix it 'cause it's performing worse than MSDOS without a disk cache" perspective, definitely not true. I've found a situation where the vanilla kernel has a behaviour that makes no sense: http://marc.theaimsgroup.com/?l=linux-kernel&m=109237941331221&w=2 http://marc.theaimsgroup.com/?l=linux-kernel&m=109237959719868&w=2 http://marc.theaimsgroup.com/?l=linux-kernel&m=109238126314192&w=2 A patch by Con Kolivas fixed it: http://marc.theaimsgroup.com/?l=linux-kernel&m=109410526607990&w=2 I cannot offer more details, i have no time for experiments, i just need a system that works. The vanilla kernel does not. -- Florin Andrei http://florin.myip.org/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/