From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422718AbXCOPCM (ORCPT ); Thu, 15 Mar 2007 11:02:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422862AbXCOPCM (ORCPT ); Thu, 15 Mar 2007 11:02:12 -0400 Received: from mx1.redhat.com ([66.187.233.31]:49887 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422718AbXCOPCL (ORCPT ); Thu, 15 Mar 2007 11:02:11 -0400 Message-ID: <45F95FA8.6060207@redhat.com> Date: Thu, 15 Mar 2007 11:00:56 -0400 From: Rik van Riel Organization: Red Hat, Inc User-Agent: Thunderbird 1.5.0.7 (X11/20061008) MIME-Version: 1.0 To: Andreas Mohr CC: Dave Kleikamp , Ashif Harji , linux-mm@kvack.org, Nick Piggin , Jan Kara , linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: Re: [PATCH] mm/filemap.c: unconditionally call mark_page_accessed References: <20070312142012.GH30777@atrey.karlin.mff.cuni.cz> <20070312143900.GB6016@wotan.suse.de> <20070312151355.GB23532@duck.suse.cz> <20070312173500.GF23532@duck.suse.cz> <20070313185554.GA5105@duck.suse.cz> <1173905741.8763.36.camel@kleikamp.austin.ibm.com> <20070314213317.GA22234@rhlx01.hs-esslingen.de> In-Reply-To: <20070314213317.GA22234@rhlx01.hs-esslingen.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andreas Mohr wrote: > I've been thinking hard how to avoid the mark_page_accessed() starvation in > case of a fixed, (almost) non-changing access state, but this seems hard since > it'd seem we need some kind of state management here to figure out good > intervals of when to call mark_page_accessed() *again* for this page. Like this? :) http://surriel.com/patches/clockpro/2.6.12/useonce-cleanup -- Politics is the struggle between those who want to make their country the best in the world, and those who believe it already is. Each group calls the other unpatriotic.