linux-kernel - [tip:sched/core] sched: Remove noop in next

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Message-ID: <tip-67d955383ab2ef8866c494c14156a4f3d29e441c@git.kernel.org>
Date:	Sun, 14 Aug 2011 15:59:36 GMT
From:	tip-bot for Hillf Danton <dhillf@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, dhillf@...il.com, rostedt@...dmis.org,
	tglx@...utronix.de, yong.zhang0@...il.com, mingo@...e.hu
Subject: [tip:sched/core] sched: Remove noop in next_prio()

Commit-ID:  67d955383ab2ef8866c494c14156a4f3d29e441c
Gitweb:     http://git.kernel.org/tip/67d955383ab2ef8866c494c14156a4f3d29e441c
Author:     Hillf Danton <dhillf@...il.com>
AuthorDate: Thu, 16 Jun 2011 21:55:18 -0400
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sun, 14 Aug 2011 12:00:45 +0200

sched: Remove noop in next_prio()

When computing the next priority for a given run-queue, the check for
RT priority of the task determined by the pick_next_highest_task_rt()
function could be removed, since only RT tasks are returned by the
function.

Reviewed-by: Yong Zhang <yong.zhang0@...il.com>
Signed-off-by: Hillf Danton <dhillf@...il.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/BANLkTimxmWiof9s5AvS3v_0X+sMiE=0x5g@mail.gmail.com
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/sched_rt.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 97540f0..e2698c0 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -704,7 +704,7 @@ static inline int next_prio(struct rq *rq)
 {
 	struct task_struct *next = pick_next_highest_task_rt(rq, rq->cpu);
 
-	if (next && rt_prio(next->prio))
+	if (next)
 		return next->prio;
 	else
 		return MAX_RT_PRIO;
--
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