From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx198.postini.com [74.125.245.198]) by kanga.kvack.org (Postfix) with SMTP id 6F0486B0062 for ; Sun, 21 Oct 2012 08:31:53 -0400 (EDT) Received: by mail-wg0-f45.google.com with SMTP id dq12so1319477wgb.26 for ; Sun, 21 Oct 2012 05:31:51 -0700 (PDT) Date: Sun, 21 Oct 2012 14:31:47 +0200 From: Ingo Molnar Subject: Re: question on NUMA page migration Message-ID: <20121021123147.GB19229@gmail.com> References: <5081777A.8050104@redhat.com> <50836060.4050408@gmail.com> <5083608E.6040209@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5083608E.6040209@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Rik van Riel Cc: Ni zhan Chen , Peter Zijlstra , Andrea Arcangeli , Linux Memory Management List , Mel Gorman , Linux kernel Mailing List * Rik van Riel wrote: > 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. The Git access URI is: git pull git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git numa/core git clone git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git numa/core Thanks, Ingo -- 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