From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755572Ab3AYCOf (ORCPT ); Thu, 24 Jan 2013 21:14:35 -0500 Received: from e23smtp04.au.ibm.com ([202.81.31.146]:57153 "EHLO e23smtp04.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755509Ab3AYCO3 (ORCPT ); Thu, 24 Jan 2013 21:14:29 -0500 Message-ID: <5101EA7B.4080405@linux.vnet.ibm.com> Date: Fri, 25 Jan 2013 10:14:19 +0800 From: Michael Wang User-Agent: Mozilla/5.0 (X11; Linux i686; rv:16.0) Gecko/20121011 Thunderbird/16.0.1 MIME-Version: 1.0 To: Mike Galbraith CC: linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, mingo@kernel.org, a.p.zijlstra@chello.nl Subject: Re: [RFC PATCH 0/2] sched: simplify the select_task_rq_fair() References: <1356588535-23251-1-git-send-email-wangyun@linux.vnet.ibm.com> <50FE5433.1070801@linux.vnet.ibm.com> <1358865692.5782.420.camel@marge.simpson.net> <50FF4EA0.1070000@linux.vnet.ibm.com> <1358915494.5752.46.camel@marge.simpson.net> <50FF7086.4020509@linux.vnet.ibm.com> <1358922520.5752.91.camel@marge.simpson.net> <50FF8CD8.4060105@linux.vnet.ibm.com> <1358929257.5752.109.camel@marge.simp! son.net> <50FF9F92.60202@linux.vnet.ibm.com> <1358930968.5752.123.camel@marge.simpson.net> <50FFA695.6010407@linux.vnet.ibm.com> <1358932694.5752.126.camel@marge.simpson.net> <1358933555.5752.132.camel@marge.simpson.net> <5100CE1F.7080704@linux.vnet.ibm.com> <1359010272.5833.39.camel@marge.simpson.net> <5100DF95.3020909@linux.vnet.ibm.com> <1359013623.5833.52.camel@marge.simpson.net> <5100ED7A.303@linux.vnet.ibm.com> <1359018455.5833.64.camel@marge.simpson.net> <5100FE61.1030004@linux.vnet.ibm.com> <1359023666.5833.105.camel@marge.simpson.net> In-Reply-To: <1359023666.5833.105.camel@marge.simpson.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13012502-9264-0000-0000-0000030F091B Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/24/2013 06:34 PM, Mike Galbraith wrote: > On Thu, 2013-01-24 at 17:26 +0800, Michael Wang wrote: >> On 01/24/2013 05:07 PM, Mike Galbraith wrote: >>> On Thu, 2013-01-24 at 16:14 +0800, Michael Wang wrote: >>> >>>> Now it's time to work on v3 I think, let's see what we could get this time. >>> >>> Maybe v3 can try to not waste so much ram on affine map? >> >> Yeah, that has been a question in my mind at very beginning, but how... > > Allocate at domain build time the max we can acquire via hotplug? >>> Even better would be if it could just go away, along with relic of the >>> bad old days wake_affine(), and we make the balance path so damn light >>> but clever that select_idle_sibling() can go away too... and a pony ;-) >> >> Hmm...may be, I need some consideration here, a totally balance path, >> interesting... > > Unification is the right target, hitting it might not be so easy though. > >> But I think we still need the clean code which sbm bring to us, do we? > > Sure, if it makes things perform better. Ok, let me think about these, big changes may not show in v3, but I will keep those in mind. Regards, Michael Wang > > -Mike > > -- > 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/ >