Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938760AbcKWOU4 (ORCPT ); Wed, 23 Nov 2016 09:20:56 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:33240 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S938720AbcKWOUw (ORCPT ); Wed, 23 Nov 2016 09:20:52 -0500 Subject: Re: [patch] sched/autogroup: Fix 64bit kernel nice adjustment To: Mike Galbraith References: <41d802dc-873a-ff02-17ff-93ce50f3e925@gmail.com> <1479897217.4306.6.camel@gmx.de> <1479910341.4306.46.camel@gmx.de> Cc: mtk.manpages@gmail.com, Peter Zijlstra , Ingo Molnar , linux-man , lkml , Thomas Gleixner From: "Michael Kerrisk (man-pages)" Message-ID: <34cea28b-c8c7-31e3-e920-90f113d22abe@gmail.com> Date: Wed, 23 Nov 2016 15:20:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <1479910341.4306.46.camel@gmx.de> Content-Type: text/plain; charset=iso-2022-jp Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1382 Lines: 35 On 11/23/2016 03:12 PM, Mike Galbraith wrote: > On Wed, 2016-11-23 at 14:47 +0100, Michael Kerrisk (man-pages) wrote: >> Hello Mike, >> >> On 11/23/2016 11:33 AM, Mike Galbraith wrote: >>> On Tue, 2016-11-22 at 16:59 +0100, Michael Kerrisk (man-pages) >>> wrote: >>> >>>> ┌─────────────────────────────────────────────────────┐ >>>> │FIXME │ >>>> ├─────────────────────────────────────────────────────┤ >>>> │Regarding the previous paragraph... My tests indi‐ │ >>>> │cate that writing *any* value to the autogroup file │ >>>> │causes the task group to get a lower priority. This │ >>> >>> Because autogroup didn't call the then meaningless scale_load()... >> >> So, does that mean that this buglet kicked in starting (only) in >> Linux 4.7 with commit 2159197d66770ec01f75c93fb11dc66df81fd45b? > > Yeah, that gave it teeth. Thanks for the confirmation. Are you aiming to see the fix merged for 4.9, or will this wait for 4.10? Cheers, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/