From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755295AbbIMLGS (ORCPT ); Sun, 13 Sep 2015 07:06:18 -0400 Received: from terminus.zytor.com ([198.137.202.10]:43593 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753097AbbIMLGR (ORCPT ); Sun, 13 Sep 2015 07:06:17 -0400 Date: Sun, 13 Sep 2015 04:05:13 -0700 From: tip-bot for Morten Rasmussen Message-ID: Cc: morten.rasmussen@arm.com, linux-kernel@vger.kernel.org, peterz@infradead.org, tglx@linutronix.de, Juri.Lelli@arm.com, Dietmar.Eggemann@arm.com, mingo@kernel.org, hpa@zytor.com, efault@gmx.de, mingo@redhat.com, torvalds@linux-foundation.org Reply-To: peterz@infradead.org, linux-kernel@vger.kernel.org, morten.rasmussen@arm.com, tglx@linutronix.de, Juri.Lelli@arm.com, hpa@zytor.com, mingo@kernel.org, Dietmar.Eggemann@arm.com, efault@gmx.de, mingo@redhat.com, torvalds@linux-foundation.org In-Reply-To: <1439569394-11974-7-git-send-email-morten.rasmussen@arm.com> References: <1439569394-11974-7-git-send-email-morten.rasmussen@arm.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched/fair: Initialize task load and utilization before placing task on rq Git-Commit-ID: 98d8fd8126676f7ba6e133e65b2ca4b17989d32c X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 98d8fd8126676f7ba6e133e65b2ca4b17989d32c Gitweb: http://git.kernel.org/tip/98d8fd8126676f7ba6e133e65b2ca4b17989d32c Author: Morten Rasmussen AuthorDate: Fri, 14 Aug 2015 17:23:14 +0100 Committer: Ingo Molnar CommitDate: Sun, 13 Sep 2015 09:52:58 +0200 sched/fair: Initialize task load and utilization before placing task on rq Task load or utilization is not currently considered in select_task_rq_fair(), but if we want that in the future we should make sure it is not zero for new tasks. cc: Ingo Molnar cc: Peter Zijlstra Signed-off-by: Morten Rasmussen Signed-off-by: Peter Zijlstra (Intel) Cc: Dietmar Eggemann Cc: Juri Lelli Cc: Linus Torvalds Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: daniel.lezcano@linaro.org Cc: mturquette@baylibre.com Cc: pang.xunlei@zte.com.cn Cc: rjw@rjwysocki.net Cc: sgurrappadi@nvidia.com Cc: vincent.guittot@linaro.org Cc: yuyang.du@intel.com Link: http://lkml.kernel.org/r/1439569394-11974-7-git-send-email-morten.rasmussen@arm.com Signed-off-by: Ingo Molnar --- kernel/sched/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b621271..6ab415a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2343,6 +2343,8 @@ void wake_up_new_task(struct task_struct *p) struct rq *rq; raw_spin_lock_irqsave(&p->pi_lock, flags); + /* Initialize new task's runnable average */ + init_entity_runnable_average(&p->se); #ifdef CONFIG_SMP /* * Fork balancing, do it here and not earlier because: @@ -2352,8 +2354,6 @@ void wake_up_new_task(struct task_struct *p) set_task_cpu(p, select_task_rq(p, task_cpu(p), SD_BALANCE_FORK, 0)); #endif - /* Initialize new task's runnable average */ - init_entity_runnable_average(&p->se); rq = __task_rq_lock(p); activate_task(rq, p, 0); p->on_rq = TASK_ON_RQ_QUEUED;