From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751840AbdJIMTN (ORCPT ); Mon, 9 Oct 2017 08:19:13 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:46517 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751184AbdJIMTL (ORCPT ); Mon, 9 Oct 2017 08:19:11 -0400 Date: Mon, 9 Oct 2017 14:19:03 +0200 From: Peter Zijlstra To: Dietmar Eggemann Cc: mingo@kernel.org, linux-kernel@vger.kernel.org, tj@kernel.org, josef@toxicpanda.com, torvalds@linux-foundation.org, vincent.guittot@linaro.org, efault@gmx.de, pjt@google.com, clm@fb.com, morten.rasmussen@arm.com, bsegall@google.com, yuyang.du@intel.com Subject: Re: [PATCH -v2 15/18] sched/fair: Align PELT windows between cfs_rq and its se Message-ID: <20171009121903.v27l5yauuffuczmc@hirez.programming.kicks-ass.net> References: <20170901132059.342024223@infradead.org> <20170901132748.738108335@infradead.org> <20171006130257.l4jekk5bvme3pcma@hirez.programming.kicks-ass.net> <37c7fe49-1d1f-2930-c90f-88645db398ce@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <37c7fe49-1d1f-2930-c90f-88645db398ce@arm.com> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 09, 2017 at 01:15:04PM +0100, Dietmar Eggemann wrote: > I can't see right now how a task group can get attached with > se->load.weight < 1024 (32 bit)/1048576 (64 bit)? Do I miss something? Ah, I think I made a think-o, I think I considered migration for group entities, but those don't migrate.