From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932118AbbERNLc (ORCPT ); Mon, 18 May 2015 09:11:32 -0400 Received: from e23smtp09.au.ibm.com ([202.81.31.142]:57370 "EHLO e23smtp09.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750802AbbERNLZ (ORCPT ); Mon, 18 May 2015 09:11:25 -0400 Date: Mon, 18 May 2015 18:40:20 +0530 From: Srikar Dronamraju To: Peter Zijlstra Cc: mingo@kernel.org, riel@redhat.com, dedekind1@gmail.com, linux-kernel@vger.kernel.org, mgorman@suse.de, rostedt@goodmis.org, juri.lelli@arm.com Subject: Re: [RFC][PATCH 4/4] sched, numa: Ignore pinned tasks Message-ID: <20150518131020.GB2934@linux.vnet.ibm.com> Reply-To: Srikar Dronamraju References: <20150515154333.712161952@infradead.org> <20150515154833.726258767@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20150515154833.726258767@infradead.org> User-Agent: Mutt/1.5.23 (2014-03-12) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15051813-0033-0000-0000-000001811C99 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > /* > * We classify groups/runqueues into three groups: Nit: Should we update the above from "three groups" to "four groups"? > - * - regular: there are !numa tasks > - * - remote: there are numa tasks that run on the 'wrong' node > - * - all: there is no distinction > + * - regular: there are (migratable) !numa tasks > + * - remote: there are (migratable) numa tasks that > + * run on the 'wrong' node > + * - movable: there are (migratable) tasks > + * - all: there are tasks > * > * In order to avoid migrating ideally placed numa tasks, > * ignore those when there's better options. -- Thanks and Regards Srikar Dronamraju