Commit c66eaf61 authored Nov 15, 2010 by Paul Turner Committed by Ingo Molnar Nov 18, 2010

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@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101115234938.204191702@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent a7a4f8a7

kernel/sched_fair.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;