350 	rq->curr->sched_class->task_tick(rq, rq->curr, 1);  in hrtick()
809 	p->sched_class->enqueue_task(rq, p, flags);  in enqueue_task()
816 	p->sched_class->dequeue_task(rq, p, flags);  in dequeue_task()
905 		stop->sched_class = &stop_sched_class;  in sched_set_stop_task()
915 		old_stop->sched_class = &rt_sched_class;  in sched_set_stop_task()
982 				       const struct sched_class *prev_class,  in check_class_changed()
985 	if (prev_class != p->sched_class) {  in check_class_changed()
989 		p->sched_class->switched_to(rq, p);  in check_class_changed()
991 		p->sched_class->prio_changed(rq, p, oldprio);  in check_class_changed()
996 	const struct sched_class *class;  in check_preempt_curr()
998 	if (p->sched_class == rq->curr->sched_class) {  in check_preempt_curr()
999 		rq->curr->sched_class->check_preempt_curr(rq, p, flags);  in check_preempt_curr()
1002 			if (class == rq->curr->sched_class)  in check_preempt_curr()
1004 			if (class == p->sched_class) {  in check_preempt_curr()
1049 		if (p->sched_class->migrate_task_rq)  in set_task_cpu()
1050 			p->sched_class->migrate_task_rq(p, new_cpu);  in set_task_cpu()
1382 		cpu = p->sched_class->select_task_rq(p, cpu, sd_flags, wake_flags);  in select_task_rq()
1469 	if (p->sched_class->task_woken)  in ttwu_do_wakeup()
1470 		p->sched_class->task_woken(rq, p);  in ttwu_do_wakeup()
1693 	if (p->sched_class->task_waking)  in try_to_wake_up()
1694 		p->sched_class->task_waking(p);  in try_to_wake_up()
1935 		p->sched_class = &rt_sched_class;  in sched_fork()
1937 		p->sched_class = &fair_sched_class;  in sched_fork()
1940 	if (p->sched_class->task_fork)  in sched_fork()
1941 		p->sched_class->task_fork(p);  in sched_fork()
2100 	if (p->sched_class->task_woken)  in wake_up_new_task()
2101 		p->sched_class->task_woken(rq, p);  in wake_up_new_task()
2237 		if (prev->sched_class->task_dead)  in finish_task_switch()
2238 			prev->sched_class->task_dead(prev);  in finish_task_switch()
2261 		if (rq->curr->sched_class->post_schedule)  in post_schedule()
2262 			rq->curr->sched_class->post_schedule(rq);  in post_schedule()
2425 	dest_cpu = p->sched_class->select_task_rq(p, task_cpu(p), SD_BALANCE_EXEC, 0);  in sched_exec()
2483 		p->sched_class->update_curr(rq);  in task_sched_runtime()
2505 	curr->sched_class->task_tick(rq, curr, 0);  in scheduler_tick()
2666 	const struct sched_class *class = &fair_sched_class;  in pick_next_task()
2673 	if (likely(prev->sched_class == class &&  in pick_next_task()
3002 	const struct sched_class *prev_class;  in rt_mutex_setprio()
3028 	prev_class = p->sched_class;  in rt_mutex_setprio()
3054 		p->sched_class = &dl_sched_class;  in rt_mutex_setprio()
3060 		p->sched_class = &rt_sched_class;  in rt_mutex_setprio()
3066 		p->sched_class = &fair_sched_class;  in rt_mutex_setprio()
3072 		p->sched_class->set_curr_task(rq);  in rt_mutex_setprio()
3324 		p->sched_class = &dl_sched_class;  in __setscheduler()
3326 		p->sched_class = &rt_sched_class;  in __setscheduler()
3328 		p->sched_class = &fair_sched_class;  in __setscheduler()
3423 	const struct sched_class *prev_class;  in __sched_setscheduler()
3623 	prev_class = p->sched_class;  in __sched_setscheduler()
3627 		p->sched_class->set_curr_task(rq);  in __sched_setscheduler()
4217 	current->sched_class->yield_task(rq);  in SYSCALL_DEFINE0()
4356 	if (!curr->sched_class->yield_to_task)  in yield_to()
4359 	if (curr->sched_class != p->sched_class)  in yield_to()
4365 	yielded = curr->sched_class->yield_to_task(rq, p, preempt);  in yield_to()
4502 	if (p->sched_class->get_rr_interval)  in SYSCALL_DEFINE2()
4503 		time_slice = p->sched_class->get_rr_interval(rq, p);  in SYSCALL_DEFINE2()
4592 	idle->sched_class = &idle_sched_class;  in init_idle_bootup_task()
4642 	idle->sched_class = &idle_sched_class;  in init_idle()
4758 	if (p->sched_class->set_cpus_allowed)  in do_set_cpus_allowed()
4759 		p->sched_class->set_cpus_allowed(p, new_mask);  in do_set_cpus_allowed()
4914 		p->sched_class->set_curr_task(rq);  in sched_setnuma()
4983 static const struct sched_class fake_sched_class = {
4992 	.sched_class = &fake_sched_class,
5037 		next->sched_class->put_prev_task(rq, next);  in migrate_tasks()
5234 		const struct sched_class *class;  in set_rq_online()
5249 		const struct sched_class *class;  in set_rq_offline()
7256 	current->sched_class = &fair_sched_class;  in sched_init()
7349 	const struct sched_class *prev_class = p->sched_class;  in normalize_task()
7568 	if (tsk->sched_class->task_move_group)  in sched_move_task()
7569 		tsk->sched_class->task_move_group(tsk, queued);  in sched_move_task()
7575 		tsk->sched_class->set_curr_task(rq);  in sched_move_task()
8021 		if (task->sched_class != &fair_sched_class)  in cpu_cgroup_can_attach()