linux-kernel - [tip:sched/core] sched: Fix fix_small

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Date:	Fri, 18 Jun 2010 10:18:51 GMT
From:	tip-bot for Michael Neuling <mikey@...ling.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, mingo@...e.hu,
	mikey@...ling.org
Subject: [tip:sched/core] sched: Fix fix_small_capacity

Commit-ID:  694f5a1112959a6996cabdb6f8d3003e87dac8a7
Gitweb:     http://git.kernel.org/tip/694f5a1112959a6996cabdb6f8d3003e87dac8a7
Author:     Michael Neuling <mikey@...ling.org>
AuthorDate: Thu, 10 Jun 2010 09:03:37 +1000
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 18 Jun 2010 10:46:54 +0200

sched: Fix fix_small_capacity

The CPU power test is the wrong way around in fix_small_capacity.

This was due to a small changes made in the posted patch on lkml to what
was was taken upstream.

This patch fixes asymmetric packing for POWER7.

Signed-off-by: Michael Neuling <mikey@...ling.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
LKML-Reference: <12629.1276124617@...ling.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 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 593424f..e82c572 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -2354,7 +2354,7 @@ fix_small_capacity(struct sched_domain *sd, struct sched_group *group)
 	/*
 	 * If ~90% of the cpu_power is still there, we're good.
 	 */
-	if (group->cpu_power * 32 < group->cpu_power_orig * 29)
+	if (group->cpu_power * 32 > group->cpu_power_orig * 29)
 		return 1;
 
 	return 0;
--
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