From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751991AbcDNT5x (ORCPT ); Thu, 14 Apr 2016 15:57:53 -0400 Received: from mail-yw0-f194.google.com ([209.85.161.194]:32922 "EHLO mail-yw0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751712AbcDNT5v (ORCPT ); Thu, 14 Apr 2016 15:57:51 -0400 Date: Thu, 14 Apr 2016 15:57:48 -0400 From: Tejun Heo To: Mike Galbraith Cc: Peter Zijlstra , Johannes Weiner , torvalds@linux-foundation.org, akpm@linux-foundation.org, mingo@redhat.com, lizefan@huawei.com, pjt@google.com, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-api@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP Message-ID: <20160414195748.GK7822@mtj.duckdns.org> References: <20160407073547.GA12560@cmpxchg.org> <20160407080833.GK3430@twins.programming.kicks-ass.net> <20160407194555.GI7822@mtj.duckdns.org> <20160407202542.GD3448@twins.programming.kicks-ass.net> <20160408201135.GO24661@htj.duckdns.org> <20160409133917.GV3448@twins.programming.kicks-ass.net> <20160412222915.GT24661@htj.duckdns.org> <1460533381.3780.191.camel@gmail.com> <20160413155952.GU24661@htj.duckdns.org> <1460614057.5100.150.camel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1460614057.5100.150.camel@gmail.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Mike. On Thu, Apr 14, 2016 at 08:07:37AM +0200, Mike Galbraith wrote: > Let /foo be an exclusive cpuset containing exclusive subset bar. > How can any task acquire set foo affinity if B really really > applies? My box calls me a dummy if I try to create a "proper" home > for tasks, one with both no snobby neighbors and proper affinity. I'm not sure I quite understand what you're saying. Are you referring to the cpuset.{cpu|mem}_exclusive knobs? Thanks. -- tejun From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP Date: Thu, 14 Apr 2016 15:57:48 -0400 Message-ID: <20160414195748.GK7822@mtj.duckdns.org> References: <20160407073547.GA12560@cmpxchg.org> <20160407080833.GK3430@twins.programming.kicks-ass.net> <20160407194555.GI7822@mtj.duckdns.org> <20160407202542.GD3448@twins.programming.kicks-ass.net> <20160408201135.GO24661@htj.duckdns.org> <20160409133917.GV3448@twins.programming.kicks-ass.net> <20160412222915.GT24661@htj.duckdns.org> <1460533381.3780.191.camel@gmail.com> <20160413155952.GU24661@htj.duckdns.org> <1460614057.5100.150.camel@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1460614057.5100.150.camel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mike Galbraith Cc: Peter Zijlstra , Johannes Weiner , torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kernel-team-b10kYP2dOMg@public.gmane.org List-Id: linux-api@vger.kernel.org Hello, Mike. On Thu, Apr 14, 2016 at 08:07:37AM +0200, Mike Galbraith wrote: > Let /foo be an exclusive cpuset containing exclusive subset bar. > How can any task acquire set foo affinity if B really really > applies? My box calls me a dummy if I try to create a "proper" home > for tasks, one with both no snobby neighbors and proper affinity. I'm not sure I quite understand what you're saying. Are you referring to the cpuset.{cpu|mem}_exclusive knobs? Thanks. -- tejun