From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755437Ab1GNQrJ (ORCPT ); Thu, 14 Jul 2011 12:47:09 -0400 Received: from mail.cs.tu-berlin.de ([130.149.17.13]:56579 "EHLO mail.cs.tu-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755361Ab1GNQrH (ORCPT ); Thu, 14 Jul 2011 12:47:07 -0400 Message-ID: <4E1F1D7F.50904@cs.tu-berlin.de> Date: Thu, 14 Jul 2011 18:46:55 +0200 From: =?UTF-8?B?SmFuIFNjaMO2bmhlcnI=?= User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110711 Lightning/1.0b3pre Thunderbird/3.1.10 MIME-Version: 1.0 To: Peter Zijlstra CC: Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [PATCH 5/6] sched: Use leaf_cfs_rqs in load_balance_fair() References: <1310580816-10861-1-git-send-email-schnhrr@cs.tu-berlin.de> <1310580816-10861-6-git-send-email-schnhrr@cs.tu-berlin.de> <1310589866.2586.31.camel@twins> In-Reply-To: <1310589866.2586.31.camel@twins> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 13.07.2011 22:44, schrieb Peter Zijlstra: > On Wed, 2011-07-13 at 20:13 +0200, Jan H. Schönherr wrote: >> Since commit 3d4b47b4 ("sched: Implement on-demand (active) cfs_rq list") >> the leaf_cfs_rqs provide an advantage over the task_group list. >> >> Make use of it in load_balance_fair(), so that we do not unnecessarily >> iterate over empty cfs_rqs where we cannot pull anything from. > > I just send a similar patch today: > > https://lkml.org/lkml/2011/7/13/94 Yes. I've seen that too late. Sorry for the noise. Regards Jan