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-rw-r--r--kernel/sched/fair.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 7570dd969c28..0fdb96de81a5 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6653,6 +6653,7 @@ static int idle_balance(struct rq *this_rq)
6653 int this_cpu = this_rq->cpu; 6653 int this_cpu = this_rq->cpu;
6654 6654
6655 idle_enter_fair(this_rq); 6655 idle_enter_fair(this_rq);
6656
6656 /* 6657 /*
6657 * We must set idle_stamp _before_ calling idle_balance(), such that we 6658 * We must set idle_stamp _before_ calling idle_balance(), such that we
6658 * measure the duration of idle_balance() as idle time. 6659 * measure the duration of idle_balance() as idle time.
@@ -6705,14 +6706,16 @@ static int idle_balance(struct rq *this_rq)
6705 6706
6706 raw_spin_lock(&this_rq->lock); 6707 raw_spin_lock(&this_rq->lock);
6707 6708
6709 if (curr_cost > this_rq->max_idle_balance_cost)
6710 this_rq->max_idle_balance_cost = curr_cost;
6711
6708 /* 6712 /*
6709 * While browsing the domains, we released the rq lock. 6713 * While browsing the domains, we released the rq lock, a task could
6710 * A task could have be enqueued in the meantime 6714 * have been enqueued in the meantime. Since we're not going idle,
6715 * pretend we pulled a task.
6711 */ 6716 */
6712 if (this_rq->cfs.h_nr_running && !pulled_task) { 6717 if (this_rq->cfs.h_nr_running && !pulled_task)
6713 pulled_task = 1; 6718 pulled_task = 1;
6714 goto out;
6715 }
6716 6719
6717 if (pulled_task || time_after(jiffies, this_rq->next_balance)) { 6720 if (pulled_task || time_after(jiffies, this_rq->next_balance)) {
6718 /* 6721 /*
@@ -6722,9 +6725,6 @@ static int idle_balance(struct rq *this_rq)
6722 this_rq->next_balance = next_balance; 6725 this_rq->next_balance = next_balance;
6723 } 6726 }
6724 6727
6725 if (curr_cost > this_rq->max_idle_balance_cost)
6726 this_rq->max_idle_balance_cost = curr_cost;
6727
6728out: 6728out:
6729 /* Is there a task of a high priority class? */ 6729 /* Is there a task of a high priority class? */
6730 if (this_rq->nr_running != this_rq->cfs.h_nr_running && 6730 if (this_rq->nr_running != this_rq->cfs.h_nr_running &&