diff options
| author | Joonwoo Park <joonwoop@codeaurora.org> | 2017-03-07 18:08:24 -0800 |
|---|---|---|
| committer | Joonwoo Park <joonwoop@codeaurora.org> | 2017-09-01 17:24:12 -0700 |
| commit | 3989a247e2744f437233a36a0183edf3b3dfc8f1 (patch) | |
| tree | 8e1440bb0e6e18d40fda2cab6ce6c8c604d1d323 | |
| parent | 11b618a0b2fc8598474a518add7037d4005d83e8 (diff) | |
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>
| -rw-r--r-- | kernel/sched/fair.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 61c8952c7aaf..0f43ece69e8c 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -9768,12 +9768,12 @@ static inline bool nohz_kick_needed(struct rq *rq) return true; /* Do idle load balance if there have misfit task */ - if (energy_aware() && rq->misfit_task) - return true; + if (energy_aware()) + return rq->misfit_task; rcu_read_lock(); sd = rcu_dereference(per_cpu(sd_busy, cpu)); - if (sd && !energy_aware()) { + if (sd) { sgc = sd->groups->sgc; nr_busy = atomic_read(&sgc->nr_busy_cpus); |