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Commit f540a608 authored by Ingo Molnar's avatar Ingo Molnar
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sched: wakeup-buddy tasks are cache-hot



Wakeup-buddy tasks are cache-hot - this makes it a bit harder
for the load-balancer to tear them apart. (but it's still possible,
if the load is sufficiently assymetric)

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 4ae7d5ce
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+6 −0
Original line number Diff line number Diff line
@@ -1396,6 +1396,12 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd)
{
	s64 delta;

	/*
	 * Buddy candidates are cache hot:
	 */
	if (&p->se == cfs_rq_of(&p->se)->next)
		return 1;

	if (p->sched_class != &fair_sched_class)
		return 0;