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-rw-r--r--include/linux/sched.h3
-rw-r--r--kernel/sched.c13
-rw-r--r--kernel/sched_fair.c3
-rw-r--r--kernel/sched_rt.c3
4 files changed, 13 insertions, 9 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index f6da930a8da..5f317d65db6 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1071,7 +1071,8 @@ struct sched_domain;
struct sched_class {
const struct sched_class *next;
- void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup);
+ void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup,
+ bool head);
void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep);
void (*yield_task) (struct rq *rq);
diff --git a/kernel/sched.c b/kernel/sched.c
index f7145edf0ac..23863b6a5df 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1903,13 +1903,14 @@ static void update_avg(u64 *avg, u64 sample)
*avg += diff >> 3;
}
-static void enqueue_task(struct rq *rq, struct task_struct *p, int wakeup)
+static void
+enqueue_task(struct rq *rq, struct task_struct *p, int wakeup, bool head)
{
if (wakeup)
p->se.start_runtime = p->se.sum_exec_runtime;
sched_info_queued(p);
- p->sched_class->enqueue_task(rq, p, wakeup);
+ p->sched_class->enqueue_task(rq, p, wakeup, head);
p->se.on_rq = 1;
}
@@ -1985,7 +1986,7 @@ static void activate_task(struct rq *rq, struct task_struct *p, int wakeup)
if (task_contributes_to_load(p))
rq->nr_uninterruptible--;
- enqueue_task(rq, p, wakeup);
+ enqueue_task(rq, p, wakeup, false);
inc_nr_running(rq);
}
@@ -6183,7 +6184,7 @@ void rt_mutex_setprio(struct task_struct *p, int prio)
if (running)
p->sched_class->set_curr_task(rq);
if (on_rq) {
- enqueue_task(rq, p, 0);
+ enqueue_task(rq, p, 0, false);
check_class_changed(rq, p, prev_class, oldprio, running);
}
@@ -6227,7 +6228,7 @@ void set_user_nice(struct task_struct *p, long nice)
delta = p->prio - old_prio;
if (on_rq) {
- enqueue_task(rq, p, 0);
+ enqueue_task(rq, p, 0, false);
/*
* If the task increased its priority or is running and
* lowered its priority, then reschedule its CPU:
@@ -10180,7 +10181,7 @@ void sched_move_task(struct task_struct *tsk)
if (unlikely(running))
tsk->sched_class->set_curr_task(rq);
if (on_rq)
- enqueue_task(rq, tsk, 0);
+ enqueue_task(rq, tsk, 0, false);
task_rq_unlock(rq, &flags);
}
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 08f4d543942..04ec8b82ce5 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1031,7 +1031,8 @@ static inline void hrtick_update(struct rq *rq)
* increased. Here we update the fair scheduling stats and
* then put the task into the rbtree:
*/
-static void enqueue_task_fair(struct rq *rq, struct task_struct *p, int wakeup)
+static void
+enqueue_task_fair(struct rq *rq, struct task_struct *p, int wakeup, bool head)
{
struct cfs_rq *cfs_rq;
struct sched_entity *se = &p->se;
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index b2edb89d021..4ce9f7e6be1 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -878,7 +878,8 @@ static void dequeue_rt_entity(struct sched_rt_entity *rt_se)
/*
* Adding/removing a task to/from a priority array:
*/
-static void enqueue_task_rt(struct rq *rq, struct task_struct *p, int wakeup)
+static void
+enqueue_task_rt(struct rq *rq, struct task_struct *p, int wakeup, bool head)
{
struct sched_rt_entity *rt_se = &p->rt;