From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id p73BR2sx150189 for ; Wed, 3 Aug 2011 06:27:03 -0500 Received: from mx1.redhat.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 6CBA315F8FD5 for ; Wed, 3 Aug 2011 04:27:51 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 2y0CaFXtypd58FMj for ; Wed, 03 Aug 2011 04:27:51 -0700 (PDT) Date: Wed, 3 Aug 2011 13:26:30 +0200 From: Johannes Weiner Subject: Re: [PATCH 7/8] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes Message-ID: <20110803112630.GE27199@redhat.com> References: <1311265730-5324-1-git-send-email-mgorman@suse.de> <1311265730-5324-8-git-send-email-mgorman@suse.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1311265730-5324-8-git-send-email-mgorman@suse.de> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Mel Gorman Cc: Rik van Riel , Jan Kara , LKML , XFS , Christoph Hellwig , Linux-MM , Minchan Kim , Wu Fengguang On Thu, Jul 21, 2011 at 05:28:49PM +0100, Mel Gorman wrote: > When direct reclaim encounters a dirty page, it gets recycled around > the LRU for another cycle. This patch marks the page PageReclaim > similar to deactivate_page() so that the page gets reclaimed almost > immediately after the page gets cleaned. This is to avoid reclaiming > clean pages that are younger than a dirty page encountered at the > end of the LRU that might have been something like a use-once page. > > Signed-off-by: Mel Gorman Apart from the naming of the counter (I like nr_reclaim_preferred), Acked-by: Johannes Weiner _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754671Ab1HCL1S (ORCPT ); Wed, 3 Aug 2011 07:27:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:24223 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753632Ab1HCL1N (ORCPT ); Wed, 3 Aug 2011 07:27:13 -0400 Date: Wed, 3 Aug 2011 13:26:30 +0200 From: Johannes Weiner To: Mel Gorman Cc: Linux-MM , LKML , XFS , Dave Chinner , Christoph Hellwig , Wu Fengguang , Jan Kara , Rik van Riel , Minchan Kim Subject: Re: [PATCH 7/8] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes Message-ID: <20110803112630.GE27199@redhat.com> References: <1311265730-5324-1-git-send-email-mgorman@suse.de> <1311265730-5324-8-git-send-email-mgorman@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1311265730-5324-8-git-send-email-mgorman@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 21, 2011 at 05:28:49PM +0100, Mel Gorman wrote: > When direct reclaim encounters a dirty page, it gets recycled around > the LRU for another cycle. This patch marks the page PageReclaim > similar to deactivate_page() so that the page gets reclaimed almost > immediately after the page gets cleaned. This is to avoid reclaiming > clean pages that are younger than a dirty page encountered at the > end of the LRU that might have been something like a use-once page. > > Signed-off-by: Mel Gorman Apart from the naming of the counter (I like nr_reclaim_preferred), Acked-by: Johannes Weiner From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 830046B0169 for ; Wed, 3 Aug 2011 07:27:02 -0400 (EDT) Date: Wed, 3 Aug 2011 13:26:30 +0200 From: Johannes Weiner Subject: Re: [PATCH 7/8] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes Message-ID: <20110803112630.GE27199@redhat.com> References: <1311265730-5324-1-git-send-email-mgorman@suse.de> <1311265730-5324-8-git-send-email-mgorman@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1311265730-5324-8-git-send-email-mgorman@suse.de> Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Linux-MM , LKML , XFS , Dave Chinner , Christoph Hellwig , Wu Fengguang , Jan Kara , Rik van Riel , Minchan Kim On Thu, Jul 21, 2011 at 05:28:49PM +0100, Mel Gorman wrote: > When direct reclaim encounters a dirty page, it gets recycled around > the LRU for another cycle. This patch marks the page PageReclaim > similar to deactivate_page() so that the page gets reclaimed almost > immediately after the page gets cleaned. This is to avoid reclaiming > clean pages that are younger than a dirty page encountered at the > end of the LRU that might have been something like a use-once page. > > Signed-off-by: Mel Gorman Apart from the naming of the counter (I like nr_reclaim_preferred), Acked-by: Johannes Weiner -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org