Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756371Ab2JUCk2 (ORCPT ); Sat, 20 Oct 2012 22:40:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40237 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755088Ab2JUCk1 (ORCPT ); Sat, 20 Oct 2012 22:40:27 -0400 Message-ID: <5083608E.6040209@redhat.com> Date: Sat, 20 Oct 2012 22:40:14 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120827 Thunderbird/15.0 MIME-Version: 1.0 To: Ni zhan Chen CC: Peter Zijlstra , Andrea Arcangeli , Ingo Molnar , Linux Memory Management List , Mel Gorman , Linux kernel Mailing List Subject: Re: question on NUMA page migration References: <5081777A.8050104@redhat.com> <50836060.4050408@gmail.com> In-Reply-To: <50836060.4050408@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: 832 Lines: 27 On 10/20/2012 10:39 PM, Ni zhan Chen wrote: > On 10/19/2012 11:53 PM, Rik van Riel wrote: >> Hi Andrea, Peter, >> >> I have a question on page refcounting in your NUMA >> page migration code. >> >> In Peter's case, I wonder why you introduce a new >> MIGRATE_FAULT migration mode. If the normal page >> migration / compaction logic can do without taking >> an extra reference count, why does your code need it? > > Hi Rik van Riel, > > This is which part of codes? Why I can't find MIGRATE_FAULT in latest > v3.7-rc2? It is in tip.git in the numa/core branch. -- 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/