diff options
Diffstat (limited to '')
-rw-r--r-- | kernel/sched/fair.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index eb5a2572b4f8..b00f16700f9c 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7193,6 +7193,11 @@ static bool dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags) return true; } +static inline unsigned int cfs_h_nr_delayed(struct rq *rq) +{ + return (rq->cfs.h_nr_queued - rq->cfs.h_nr_runnable); +} + #ifdef CONFIG_SMP /* Working cpumask for: sched_balance_rq(), sched_balance_newidle(). */ @@ -7354,8 +7359,12 @@ wake_affine_idle(int this_cpu, int prev_cpu, int sync) if (available_idle_cpu(this_cpu) && cpus_share_cache(this_cpu, prev_cpu)) return available_idle_cpu(prev_cpu) ? prev_cpu : this_cpu; - if (sync && cpu_rq(this_cpu)->nr_running == 1) - return this_cpu; + if (sync) { + struct rq *rq = cpu_rq(this_cpu); + + if ((rq->nr_running - cfs_h_nr_delayed(rq)) == 1) + return this_cpu; + } if (available_idle_cpu(prev_cpu)) return prev_cpu; |