linux-kernel - [tip:sched/core] sched: Eliminate dead code from wakeup

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Message-ID: <tip-f4ad9bd208c98f32a6f9136618e0b8bebe3fb370@git.kernel.org>
Date:	Mon, 11 Apr 2011 10:48:55 GMT
From:	tip-bot for Shaohua Li <shaohua.li@...el.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, efault@....de, shaohua.li@...el.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:sched/core] sched: Eliminate dead code from wakeup_gran()

Commit-ID:  f4ad9bd208c98f32a6f9136618e0b8bebe3fb370
Gitweb:     http://git.kernel.org/tip/f4ad9bd208c98f32a6f9136618e0b8bebe3fb370
Author:     Shaohua Li <shaohua.li@...el.com>
AuthorDate: Fri, 8 Apr 2011 12:53:09 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 11 Apr 2011 11:08:55 +0200

sched: Eliminate dead code from wakeup_gran()

calc_delta_fair() checks NICE_0_LOAD already, delete duplicate check.

Signed-off-by: Shaohua Li<shaohua.li@...el.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Link: http://lkml.kernel.org/r/1302238389.3981.92.camel@sli10-conroe
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/sched_fair.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 6fa833a..4ee50f0 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1789,10 +1789,7 @@ wakeup_gran(struct sched_entity *curr, struct sched_entity *se)
 	 * This is especially important for buddies when the leftmost
 	 * task is higher priority than the buddy.
 	 */
-	if (unlikely(se->load.weight != NICE_0_LOAD))
-		gran = calc_delta_fair(gran, se);
-
-	return gran;
+	return calc_delta_fair(gran, se);
 }
 
 /*
--
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