linux-kernel - [GIT PULL] scheduler fix

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Message-ID: <20130912125804.GA25661@gmail.com>
Date:	Thu, 12 Sep 2013 14:58:04 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] scheduler fix

Linus,

Please pull the latest sched-urgent-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-urgent-for-linus

   HEAD: b0cff9d88ce2f3030f73138078c5b1019f17e1cc sched: Fix load balancing performance regression in should_we_balance()

Performance regression fix.

 Thanks,

	Ingo

------------------>
Joonsoo Kim (1):
      sched: Fix load balancing performance regression in should_we_balance()


 kernel/sched/fair.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 7f0a5e6..9b3fe1c 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5151,7 +5151,7 @@ static int should_we_balance(struct lb_env *env)
 	 * First idle cpu or the first cpu(busiest) in this sched group
 	 * is eligible for doing load balancing at this and above domains.
 	 */
-	return balance_cpu != env->dst_cpu;
+	return balance_cpu == env->dst_cpu;
 }
 
 /*
--
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