Commit-ID: c66eaf619c0c7937e9ded160ae83b5a7a6b19b56
Gitweb: http://git.kernel.org/tip/c66eaf619c0c7937e9ded160ae83b5a7a6b19b56
Author: Paul Turner <pjt@xxxxxxxxxx>
AuthorDate: Mon, 15 Nov 2010 15:47:07 -0800
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Thu, 18 Nov 2010 13:27:49 +0100
sched: Update shares on idle_balance
Since shares updates are no longer expensive and effectively local, update them
at idle_balance(). This allows us to more quickly redistribute shares to
another cpu when our load becomes idle.
Signed-off-by: Paul Turner <pjt@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
LKML-Reference: <20101115234938.204191702@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
kernel/sched_fair.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 6c84439..33f941d 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -3343,6 +3343,7 @@ static void idle_balance(int this_cpu, struct rq *this_rq)
*/
raw_spin_unlock(&this_rq->lock);
+ update_shares(this_cpu);
for_each_domain(this_cpu, sd) {
unsigned long interval;
int balance = 1;
--
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