Re: [PATCH 23/40] autonuma: sched_set_autonuma_need_balance
From: Rik van Riel
Date: Sun Jul 01 2012 - 12:58:31 EST
On 06/28/2012 08:56 AM, Andrea Arcangeli wrote:
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 dab9bdd..ff288c0 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4906,6 +4906,9 @@ static void run_rebalance_domains(struct softirq_action *h)
rebalance_domains(this_cpu, idle);
+ if (!this_rq->idle_balance)
+ sched_set_autonuma_need_balance();
+
Misleading function name in patch 13, this actually calls
sched_autonuma_balance and is not setting a flag like the
name suggests (to me).
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