Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753983Ab0K1TC7 (ORCPT ); Sun, 28 Nov 2010 14:02:59 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48919 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753429Ab0K1TC6 (ORCPT ); Sun, 28 Nov 2010 14:02:58 -0500 Message-ID: <4CF2A72D.9060307@redhat.com> Date: Sun, 28 Nov 2010 14:02:05 -0500 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.8) Gecko/20100806 Fedora/3.1.2-1.fc13 Lightning/1.0b2pre Thunderbird/3.1.2 MIME-Version: 1.0 To: Minchan Kim CC: Andrew Morton , linux-mm , LKML , Ben Gamari , Peter Zijlstra , Wu Fengguang , KOSAKI Motohiro , Johannes Weiner , Nick Piggin , Mel Gorman Subject: Re: [PATCH v2 1/3] deactivate invalidated pages References: <7b50614882592047dfd96f6ca2bb2d0baa8f5367.1290956059.git.minchan.kim@gmail.com> In-Reply-To: <7b50614882592047dfd96f6ca2bb2d0baa8f5367.1290956059.git.minchan.kim@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 728 Lines: 19 On 11/28/2010 10:02 AM, Minchan Kim wrote: > This patch is based on mmotm-11-23. > > Recently, there are reported problem about thrashing. > (http://marc.info/?l=rsync&m=128885034930933&w=2) > It happens by backup workloads(ex, nightly rsync). > That's because the workload makes just use-once pages > and touches pages twice. It promotes the page into > active list so that it results in working set page eviction. Acked-by: Rik van Riel -- All rights reversed -- 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/