[PATCH 16/30] sched: fix sched_balance_self() smp group balancing

[Peter Zijlstra]

Finding the least idle cpu is more accurate when done with updated shares.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
---
 kernel/sched.c |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6/kernel/sched.c
===================================================================
--- linux-2.6.orig/kernel/sched.c
+++ linux-2.6/kernel/sched.c
@@ -2171,6 +2171,9 @@ static int sched_balance_self(int cpu, i
 			sd = tmp;
 	}
 
+	if (sd)
+		update_shares(sd);
+
 	while (sd) {
 		cpumask_t span, tmpmask;
 		struct sched_group *group;

-- 

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