summaryrefslogtreecommitdiff
path: root/kernel/sched/sched.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/sched/sched.h')
-rw-r--r--kernel/sched/sched.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index b2cbe81308af..600e2291a75c 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1206,12 +1206,14 @@ extern void update_idle_cpu_load(struct rq *this_rq);
extern void init_task_runnable_average(struct task_struct *p);
-static inline void inc_nr_running(struct rq *rq)
+static inline void add_nr_running(struct rq *rq, unsigned count)
{
- rq->nr_running++;
+ unsigned prev_nr = rq->nr_running;
+
+ rq->nr_running = prev_nr + count;
#ifdef CONFIG_NO_HZ_FULL
- if (rq->nr_running == 2) {
+ if (prev_nr < 2 && rq->nr_running >= 2) {
if (tick_nohz_full_cpu(rq->cpu)) {
/* Order rq->nr_running write against the IPI */
smp_wmb();
@@ -1221,9 +1223,9 @@ static inline void inc_nr_running(struct rq *rq)
#endif
}
-static inline void dec_nr_running(struct rq *rq)
+static inline void sub_nr_running(struct rq *rq, unsigned count)
{
- rq->nr_running--;
+ rq->nr_running -= count;
}
static inline void rq_last_tick_reset(struct rq *rq)