Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755314Ab3HRI06 (ORCPT ); Sun, 18 Aug 2013 04:26:58 -0400 Received: from na3sys009aog108.obsmtp.com ([74.125.149.199]:33229 "EHLO na3sys009aog108.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755093Ab3HRI0y (ORCPT ); Sun, 18 Aug 2013 04:26:54 -0400 From: Lei Wen To: Paul Turner , Peter Zijlstra , Ingo Molnar , , , Subject: [PATCH 4/8] sched: change pick_next_task_fair to h_nr_running Date: Sun, 18 Aug 2013 16:25:18 +0800 Message-ID: <1376814322-7320-5-git-send-email-leiwen@marvell.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1376814322-7320-1-git-send-email-leiwen@marvell.com> References: <1376814322-7320-1-git-send-email-leiwen@marvell.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 969 Lines: 30 Since pick_next_task_fair only want to ensure there is some task in the run queue to be picked up, it should use the h_nr_running instead of nr_running, since nr_running cannot present all tasks if group existed. Signed-off-by: Lei Wen --- kernel/sched/fair.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 9869d4d..33576eb 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3653,7 +3653,7 @@ static struct task_struct *pick_next_task_fair(struct rq *rq) struct cfs_rq *cfs_rq = &rq->cfs; struct sched_entity *se; - if (!cfs_rq->nr_running) + if (!cfs_rq->h_nr_running) return NULL; do { -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/