[PATCH 22/35] autonuma: sched_set_autonuma_need_balance
From: Andrea Arcangeli
Date: Fri May 25 2012 - 13:03:17 EST
Invoke autonuma_balance only on the busy CPUs at the same frequency of
the CFS load balance.
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
---
kernel/sched/fair.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 99d1d33..1357938 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4893,6 +4893,9 @@ static void run_rebalance_domains(struct softirq_action *h)
rebalance_domains(this_cpu, idle);
+ if (!this_rq->idle_balance)
+ sched_set_autonuma_need_balance();
+
/*
* If this cpu has a pending nohz_balance_kick, then do the
* balancing on behalf of the other idle cpus whose ticks are
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