sched: EAS: kill incorrect nohz idle cpu kick



EAS won't allow NOHZ idle balancer until CPU's over utilized.  However
nohz_kick_needed() can return true.  This causes idle CPU wake up for
nothing.

Change-Id: I6e548442e29e4f85cda695e4c7101dd591b12fe6
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>

parent e21dd3c4

kernel/sched/fair.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -10316,9 +10316,8 @@ static inline bool nohz_kick_needed(struct rq rq, int type)
		if (time_before(now, nohz.next_balance))
		return false;

		if (rq->nr_running >= 2 &&
		(!energy_aware() \|\| cpu_overutilized(cpu)))
		return true;
		if (energy_aware())
		return rq->nr_running >= 2 && cpu_overutilized(cpu);

		#ifndef CONFIG_SCHED_HMP
		rcu_read_lock();