Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264120AbUDRFFh (ORCPT ); Sun, 18 Apr 2004 01:05:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264125AbUDRFFh (ORCPT ); Sun, 18 Apr 2004 01:05:37 -0400 Received: from florence.buici.com ([206.124.142.26]:40832 "HELO florence.buici.com") by vger.kernel.org with SMTP id S264120AbUDRFFc (ORCPT ); Sun, 18 Apr 2004 01:05:32 -0400 Date: Sat, 17 Apr 2004 22:05:30 -0700 From: Marc Singer To: William Lee Irwin III , Marc Singer , linux-kernel@vger.kernel.org, akpm@osdl.org Subject: Re: vmscan.c heuristic adjustment for smaller systems Message-ID: <20040418050530.GB19414@flea> References: <20040417193855.GP743@holomorphy.com> <20040417212958.GA8722@flea> <20040417213333.GS743@holomorphy.com> <20040417215257.GA9691@flea> <20040418010616.GT743@holomorphy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040418010616.GT743@holomorphy.com> User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1340 Lines: 26 On Sat, Apr 17, 2004 at 06:06:16PM -0700, William Lee Irwin III wrote: > On Sat, Apr 17, 2004 at 02:33:33PM -0700, William Lee Irwin III wrote: > >> This doesn't match your first response. Anyway, this one is gets > >> scrapped. I guess if swappiness solves it, then so much the better. > > On Sat, Apr 17, 2004 at 02:52:57PM -0700, Marc Singer wrote: > > Huh? Where do you see a discrepency? I don't think I claimed that > > the test program performance changed. The noticeable difference is in > > interactivity once the page cache fills. IMHO, 30 seconds to do a > > file listing on /proc is extreme. > > Oh, sorry, it was unclear to me that the test changed anything but > swappiness (i.e. I couldn't tell they included the patch etc.) Ah, OK. Now I understand your confusion. Based on the numbers, it is clear that your last patch does exactly the same thing as setting swappiness. It is true that I didn't apply it. Still, I think that your change is worth consideration since setting swappiness to zero is such a blunt solution. I apologize for not making this clear before. - 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/