From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id 090BB6B01FF for ; Thu, 15 Apr 2010 21:02:35 -0400 (EDT) Received: by pzk28 with SMTP id 28so1723982pzk.11 for ; Thu, 15 Apr 2010 18:02:32 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <1270522777-9216-1-git-send-email-lliubbo@gmail.com> <20100413083855.GS25756@csn.ul.ie> Date: Fri, 16 Apr 2010 09:02:32 +0800 Message-ID: Subject: Re: [PATCH] mempolicy:add GFP_THISNODE when allocing new page From: Bob Liu Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: Christoph Lameter , Mel Gorman Cc: kamezawa.hiroyu@jp.fujitsu.com, minchan.kim@gmail.com, akpm@linux-foundation.org, linux-mm@kvack.org, andi@firstfloor.org, rientjes@google.com, lee.schermerhorn@hp.com List-ID: On Fri, Apr 16, 2010 at 8:41 AM, Christoph Lameter wrote: > On Tue, 13 Apr 2010, Bob Liu wrote: > >> If move to the next node instead of early return, the relative position = of the >> page to the beginning of the node set will be break; > > Right. > Thanks! Then would you please acking this patch? So as mel. >> (BTW:I am still not very clear about the preservation of the relative >> position of the >> page to the beginning of the node set. I think if the user call >> migrate_pages() with >> different count of src and dest nodes, the =C2=A0relative position will = also break. >> eg. if call migrate_pags() from nodes is node(1,2,3) , dest nodes is >> just node(3). >> the current code logical will move pages in node 1, 2 to node 3. this ca= se the >> relative position is breaked). > > But in that case the user has specified that the set of nodes should be > compacted during migration and therefore requested what ocurred. > --=20 Regards, --Bob -- 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/ . Don't email: email@kvack.org