From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx197.postini.com [74.125.245.197]) by kanga.kvack.org (Postfix) with SMTP id 3B31C6B0062 for ; Mon, 2 Jul 2012 12:58:17 -0400 (EDT) Received: from /spool/local by e28smtp08.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 2 Jul 2012 22:28:13 +0530 Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay02.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q62GvdTQ9044224 for ; Mon, 2 Jul 2012 22:27:40 +0530 Received: from d28av03.in.ibm.com (loopback [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q62MQurU016673 for ; Tue, 3 Jul 2012 08:26:57 +1000 Date: Mon, 2 Jul 2012 22:27:15 +0530 From: Vaidyanathan Srinivasan Subject: Re: [PATCH 13/40] autonuma: CPU follow memory algorithm Message-ID: <20120702165714.GA10952@dirshya.in.ibm.com> Reply-To: svaidy@linux.vnet.ibm.com References: <1340888180-15355-14-git-send-email-aarcange@redhat.com> <1340895238.28750.49.camel@twins> <20120629125517.GD32637@gmail.com> <4FEDDD0C.60609@redhat.com> <1340995260.28750.103.camel@twins> <4FEDF81C.1010401@redhat.com> <1340996224.28750.116.camel@twins> <1340996586.28750.122.camel@twins> <4FEDFFB5.3010401@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <4FEDFFB5.3010401@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Rik van Riel Cc: Peter Zijlstra , dlaor@redhat.com, Ingo Molnar , Hillf Danton , Andrea Arcangeli , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Dan Smith , Linus Torvalds , Andrew Morton , Thomas Gleixner , Ingo Molnar , Paul Turner , Suresh Siddha , Mike Galbraith , "Paul E. McKenney" , Lai Jiangshan , Bharata B Rao , Lee Schermerhorn , Johannes Weiner , Srivatsa Vaddagiri , Christoph Lameter , Alex Shi , Mauricio Faria de Oliveira , Konrad Rzeszutek Wilk , Don Morris , Benjamin Herrenschmidt * Rik van Riel [2012-06-29 15:19:17]: > On 06/29/2012 03:03 PM, Peter Zijlstra wrote: > >On Fri, 2012-06-29 at 20:57 +0200, Peter Zijlstra wrote: > >>On Fri, 2012-06-29 at 14:46 -0400, Rik van Riel wrote: > >>> > >>>I am not convinced all architectures that have CONFIG_NUMA > >>>need to be a requirement, since some of them (eg. Alpha) > >>>seem to be lacking a maintainer nowadays. > >> > >>Still, this NUMA balancing stuff is not a small tweak to load-balancing. > >>Its a very significant change is how you schedule. Having such great > >>differences over architectures isn't something I look forward to. > > I am not too worried about the performance of architectures > that are essentially orphaned :) > > >Also, Andrea keeps insisting arch support is trivial, so I don't see the > >problem. > > Getting it implemented in one or two additional architectures > would be good, to get a template out there that can be used by > other architecture maintainers. I am currently porting the framework over to powerpc. I will share the initial patches in couple of days. --Vaidy -- 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