newly idle load balance is not always triggered when a cpu becomes idle.
This prevent the scheduler to get a chance to migrate task for asym packing.
Enable active migration because of asym packing during idle load balance too.
Signed-off-by: Vincent Guittot <vincent.guit...@linaro.org>
---
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 0ed99ad2..00f2171 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -8460,7 +8460,7 @@ static int need_active_balance(struct lb_env *env)
{
struct sched_domain *sd = env->sd;
- if (env->idle == CPU_NEWLY_IDLE) {
+ if (env->idle != CPU_NOT_IDLE) {
/*
* ASYM_PACKING needs to force migrate tasks from busy but
--
2.7.4
