From c66eaf619c0c7937e9ded160ae83b5a7a6b19b56 Mon Sep 17 00:00:00 2001
From: Paul Turner <pjt@google.com>
Date: Mon, 15 Nov 2010 15:47:07 -0800
Subject: sched: Update shares on idle_balance

Since shares updates are no longer expensive and effectively local, update them
at idle_balance().  This allows us to more quickly redistribute shares to
another cpu when our load becomes idle.

Signed-off-by: Paul Turner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101115234938.204191702@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched_fair.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'kernel/sched_fair.c')

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 6c84439ce987..33f941dcf88c 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -3343,6 +3343,7 @@ static void idle_balance(int this_cpu, struct rq *this_rq)
 	 */
 	raw_spin_unlock(&this_rq->lock);
 
+	update_shares(this_cpu);
 	for_each_domain(this_cpu, sd) {
 		unsigned long interval;
 		int balance = 1;
-- 
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