From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 11 Jun 2001 05:19:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 11 Jun 2001 05:19:17 -0400 Received: from cisco7500-mainGW.gts.cz ([194.213.32.131]:8708 "EHLO bug.ucw.cz") by vger.kernel.org with ESMTP id ; Mon, 11 Jun 2001 05:19:07 -0400 Date: Fri, 8 Jun 2001 19:38:06 +0000 From: Pavel Machek To: LA Walsh Cc: "Eric W. Biederman" , linux-kernel@vger.kernel.org Subject: Re: Break 2.4 VM in five easy steps Message-ID: <20010608193805.B36@toy.ucw.cz> In-Reply-To: <3B1E4CD0.D16F58A8@illusionary.com> <3b204fe5.4014698@mail.mbay.net> <3B1E5316.F4B10172@illusionary.com> <3B1EA748.6B9C1194@sgi.com> <3B1F9CEC.928C8E66@sgi.com> <3B1FE85D.F7BE88F4@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <3B1FE85D.F7BE88F4@sgi.com>; from law@sgi.com on Thu, Jun 07, 2001 at 01:47:25PM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > But if the page in memory is 'dirty', you can't be efficient with swapping > *in* the page. The page on disk is invalid and should be released, or am I > missing something? Yes. You are missing fragmentation. This keeps it low. Pavel -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.