Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751095AbWAPGv5 (ORCPT ); Mon, 16 Jan 2006 01:51:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751107AbWAPGv5 (ORCPT ); Mon, 16 Jan 2006 01:51:57 -0500 Received: from omx1-ext.sgi.com ([192.48.179.11]:5579 "EHLO omx1.americas.sgi.com") by vger.kernel.org with ESMTP id S1751095AbWAPGv4 (ORCPT ); Mon, 16 Jan 2006 01:51:56 -0500 Date: Sun, 15 Jan 2006 22:51:44 -0800 (PST) From: Christoph Lameter To: Hugh Dickins cc: Nick Piggin , Andrew Morton , Linux Kernel Mailing List , Linux Memory Management List Subject: Re: Race in new page migration code? In-Reply-To: Message-ID: References: <20060114155517.GA30543@wotan.suse.de> <20060114181949.GA27382@wotan.suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 722 Lines: 18 On Sun, 15 Jan 2006, Hugh Dickins wrote: > On Sat, 14 Jan 2006, Christoph Lameter wrote: > > > > Also remove the WARN_ON since its now even possible that other actions of > > the VM move the pages into the LRU lists while we scan for pages to > > migrate. > > Good. And whether it's your or Nick's patch that goes in, please also > remove that PageReserved test which you recently put in check_pte_range. Zero pages are still marked reserved AFAIK. Why not check for it? - 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/