Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754453AbaJNCWz (ORCPT ); Mon, 13 Oct 2014 22:22:55 -0400 Received: from mga02.intel.com ([134.134.136.20]:58091 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753966AbaJNCWy (ORCPT ); Mon, 13 Oct 2014 22:22:54 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,714,1406617200"; d="scan'208";a="588396395" From: Wanpeng Li To: Ingo Molnar , Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Wanpeng Li Subject: [PATCH 1/2] sched/deadline: don't need to check SD_BALANCE_FORK Date: Tue, 14 Oct 2014 10:22:39 +0800 Message-Id: <1413253360-5318-1-git-send-email-wanpeng.li@linux.intel.com> X-Mailer: git-send-email 1.7.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no need to do balance during fork since SCHED_DEADLINE tasks can't fork. This patch avoid the SD_BALANCE_FORK check. Signed-off-by: Wanpeng Li --- kernel/sched/deadline.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index abfaf3d..f46b7f1 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -914,7 +914,7 @@ select_task_rq_dl(struct task_struct *p, int cpu, int sd_flag, int flags) struct task_struct *curr; struct rq *rq; - if (sd_flag != SD_BALANCE_WAKE && sd_flag != SD_BALANCE_FORK) + if (sd_flag != SD_BALANCE_WAKE) goto out; rq = cpu_rq(cpu); -- 1.9.1 -- 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/