diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 8 | ||||
| -rw-r--r-- | kernel/sched_fair.c | 4 |
2 files changed, 7 insertions, 5 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 9e49af00ae3..7bc9b0e84eb 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -644,7 +644,7 @@ struct rq { unsigned long cpu_power; - unsigned char idle_at_tick; + unsigned char idle_balance; /* For active balancing */ int post_schedule; int active_balance; @@ -2751,8 +2751,10 @@ void scheduler_ipi(void) /* * Check if someone kicked us for doing the nohz idle load balance. */ - if (unlikely(got_nohz_idle_kick() && !need_resched())) + if (unlikely(got_nohz_idle_kick() && !need_resched())) { + this_rq()->idle_balance = 1; raise_softirq_irqoff(SCHED_SOFTIRQ); + } irq_exit(); } @@ -4247,7 +4249,7 @@ void scheduler_tick(void) perf_event_task_tick(); #ifdef CONFIG_SMP - rq->idle_at_tick = idle_cpu(cpu); + rq->idle_balance = idle_cpu(cpu); trigger_load_balance(rq, cpu); #endif } diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 6c5fa109922..506db0966eb 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -4676,7 +4676,7 @@ static inline int nohz_kick_needed(struct rq *rq, int cpu) if (time_before(now, nohz.next_balance)) return 0; - if (rq->idle_at_tick) + if (idle_cpu(cpu)) return 0; first_pick_cpu = atomic_read(&nohz.first_pick_cpu); @@ -4712,7 +4712,7 @@ static void run_rebalance_domains(struct softirq_action *h) { int this_cpu = smp_processor_id(); struct rq *this_rq = cpu_rq(this_cpu); - enum cpu_idle_type idle = this_rq->idle_at_tick ? + enum cpu_idle_type idle = this_rq->idle_balance ? CPU_IDLE : CPU_NOT_IDLE; rebalance_domains(this_cpu, idle); |