[PATCH 04/12] sched: select_task_rq_fair() must honour SD_LOAD_BALANCE

[Peter Zijlstra]

We should skip !SD_LOAD_BALANCE domains.

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

Index: linux-2.6/kernel/sched_fair.c
===================================================================
--- linux-2.6.orig/kernel/sched_fair.c
+++ linux-2.6/kernel/sched_fair.c
@@ -1429,6 +1429,9 @@ static int select_task_rq_fair(struct ta
 	}
 
 	for_each_domain(cpu, tmp) {
+		if (!(tmp->flags & SD_LOAD_BALANCE))
+			continue;
+
 		/*
 		 * If power savings logic is enabled for a domain, see if we
 		 * are not overloaded, if so, don't balance wider.

-- 

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