From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx116.postini.com [74.125.245.116]) by kanga.kvack.org (Postfix) with SMTP id ED9406B0062 for ; Sat, 20 Oct 2012 22:40:26 -0400 (EDT) Message-ID: <5083608E.6040209@redhat.com> Date: Sat, 20 Oct 2012 22:40:14 -0400 From: Rik van Riel MIME-Version: 1.0 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: owner-linux-mm@kvack.org List-ID: To: Ni zhan Chen Cc: Peter Zijlstra , Andrea Arcangeli , Ingo Molnar , Linux Memory Management List , Mel Gorman , Linux kernel Mailing List 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, 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