From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161438Ab1FAJZE (ORCPT ); Wed, 1 Jun 2011 05:25:04 -0400 Received: from cantor.suse.de ([195.135.220.2]:47510 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161423Ab1FAJYy (ORCPT ); Wed, 1 Jun 2011 05:24:54 -0400 Date: Wed, 1 Jun 2011 10:24:47 +0100 From: Mel Gorman To: Andrea Arcangeli Cc: Minchan Kim , akpm@linux-foundation.org, Ury Stankevich , KOSAKI Motohiro , linux-kernel@vger.kernel.org, linux-mm@kvack.org, stable@kernel.org Subject: Re: [PATCH] mm: compaction: Abort compaction if too many pages are isolated and caller is asynchronous Message-ID: <20110601092447.GA7306@suse.de> References: <20110530131300.GQ5044@csn.ul.ie> <20110530143109.GH19505@random.random> <20110530153748.GS5044@csn.ul.ie> <20110530165546.GC5118@suse.de> <20110530175334.GI19505@random.random> <20110531121620.GA3490@barrios-laptop> <20110531122437.GJ19505@random.random> <20110531133340.GB3490@barrios-laptop> <20110531141402.GK19505@random.random> <20110601005747.GC7019@csn.ul.ie> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20110601005747.GC7019@csn.ul.ie> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 01, 2011 at 01:57:47AM +0100, Mel Gorman wrote: > It's almost 2am so I'm wiped but the first thing in the morning > I want to check is if http://lkml.org/lkml/2010/8/26/32 is > relevant. It's not. The patch I really meant was https://lkml.org/lkml/2011/5/28/155 and it's irrelevant to 2.6.38.4 which is already doing the right thing of rechecking page->mapping under lock. -- Mel Gorman SUSE Labs