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-rw-r--r--include/linux/sched.h1
-rw-r--r--kernel/sched.c16
2 files changed, 5 insertions, 12 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7f5732f8c61..25c50317ddc 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1273,6 +1273,7 @@ struct task_struct {
/* Revert to default priority/policy when forking */
unsigned sched_reset_on_fork:1;
+ unsigned sched_contributes_to_load:1;
pid_t pid;
pid_t tgid;
diff --git a/kernel/sched.c b/kernel/sched.c
index 7a5eb262078..fd32b78c123 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2519,18 +2519,7 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state,
if (unlikely(task_running(rq, p)))
goto out_activate;
- /*
- * In order to handle concurrent wakeups and release the rq->lock
- * we put the task in TASK_WAKING state.
- *
- * First fix up the nr_uninterruptible count:
- */
- if (task_contributes_to_load(p)) {
- if (likely(cpu_online(orig_cpu)))
- rq->nr_uninterruptible--;
- else
- this_rq()->nr_uninterruptible--;
- }
+ p->sched_contributes_to_load = !!task_contributes_to_load(p);
p->state = TASK_WAKING;
if (p->sched_class->task_waking) {
@@ -2555,6 +2544,9 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state,
WARN_ON(task_cpu(p) != cpu);
WARN_ON(p->state != TASK_WAKING);
+ if (p->sched_contributes_to_load)
+ rq->nr_uninterruptible--;
+
out_activate:
#endif /* CONFIG_SMP */
ttwu_activate(rq, p, en_flags);