699 	if (current->policy == SCHED_FIFO)  in sched_can_stop_tick()
706 	if (current->policy == SCHED_RR) {  in sched_can_stop_tick()
795 	if (p->policy == SCHED_IDLE) {  in set_load_weight()
1915 			p->policy = SCHED_NORMAL;  in sched_fork()
2030 static int dl_overflow(struct task_struct *p, int policy,  in dl_overflow()  argument
2037 	u64 new_bw = dl_policy(policy) ? to_ratio(period, runtime) : 0;  in dl_overflow()
2050 	if (dl_policy(policy) && !task_has_dl_policy(p) &&  in dl_overflow()
2054 	} else if (dl_policy(policy) && task_has_dl_policy(p) &&  in dl_overflow()
2059 	} else if (!dl_policy(policy) && task_has_dl_policy(p)) {  in dl_overflow()
3286 	int policy = attr->sched_policy;  in __setscheduler_params()  local
3288 	if (policy == SETPARAM_POLICY)  in __setscheduler_params()
3289 		policy = p->policy;  in __setscheduler_params()
3291 	p->policy = policy;  in __setscheduler_params()
3293 	if (dl_policy(policy))  in __setscheduler_params()
3295 	else if (fair_policy(policy))  in __setscheduler_params()
3421 	int new_effective_prio, policy = attr->sched_policy;  in __sched_setscheduler()  local
3431 	if (policy < 0) {  in __sched_setscheduler()
3433 		policy = oldpolicy = p->policy;  in __sched_setscheduler()
3437 		if (policy != SCHED_DEADLINE &&  in __sched_setscheduler()
3438 				policy != SCHED_FIFO && policy != SCHED_RR &&  in __sched_setscheduler()
3439 				policy != SCHED_NORMAL && policy != SCHED_BATCH &&  in __sched_setscheduler()
3440 				policy != SCHED_IDLE)  in __sched_setscheduler()
3455 	if ((dl_policy(policy) && !__checkparam_dl(attr)) ||  in __sched_setscheduler()
3456 	    (rt_policy(policy) != (attr->sched_priority != 0)))  in __sched_setscheduler()
3463 		if (fair_policy(policy)) {  in __sched_setscheduler()
3469 		if (rt_policy(policy)) {  in __sched_setscheduler()
3474 			if (policy != p->policy && !rlim_rtprio)  in __sched_setscheduler()
3489 		if (dl_policy(policy))  in __sched_setscheduler()
3496 		if (p->policy == SCHED_IDLE && policy != SCHED_IDLE) {  in __sched_setscheduler()
3537 	if (unlikely(policy == p->policy)) {  in __sched_setscheduler()
3538 		if (fair_policy(policy) && attr->sched_nice != task_nice(p))  in __sched_setscheduler()
3540 		if (rt_policy(policy) && attr->sched_priority != p->rt_priority)  in __sched_setscheduler()
3542 		if (dl_policy(policy) && dl_param_changed(p, attr))  in __sched_setscheduler()
3557 		if (rt_bandwidth_enabled() && rt_policy(policy) &&  in __sched_setscheduler()
3565 		if (dl_bandwidth_enabled() && dl_policy(policy)) {  in __sched_setscheduler()
3583 	if (unlikely(oldpolicy != -1 && oldpolicy != p->policy)) {  in __sched_setscheduler()
3584 		policy = oldpolicy = -1;  in __sched_setscheduler()
3594 	if ((dl_policy(policy) || dl_task(p)) && dl_overflow(p, policy, attr)) {  in __sched_setscheduler()
3644 static int _sched_setscheduler(struct task_struct *p, int policy,  in _sched_setscheduler()  argument
3648 		.sched_policy   = policy,  in _sched_setscheduler()
3654 	if ((policy != SETPARAM_POLICY) && (policy & SCHED_RESET_ON_FORK)) {  in _sched_setscheduler()
3656 		policy &= ~SCHED_RESET_ON_FORK;  in _sched_setscheduler()
3657 		attr.sched_policy = policy;  in _sched_setscheduler()
3672 int sched_setscheduler(struct task_struct *p, int policy,  in sched_setscheduler()  argument
3675 	return _sched_setscheduler(p, policy, param, true);  in sched_setscheduler()
3698 int sched_setscheduler_nocheck(struct task_struct *p, int policy,  in sched_setscheduler_nocheck()  argument
3701 	return _sched_setscheduler(p, policy, param, false);  in sched_setscheduler_nocheck()
3705 do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param)  in do_sched_setscheduler()  argument
3720 		retval = sched_setscheduler(p, policy, &lparam);  in do_sched_setscheduler()
3805 SYSCALL_DEFINE3(sched_setscheduler, pid_t, pid, int, policy,  in SYSCALL_DEFINE3()  argument
3809 	if (policy < 0)  in SYSCALL_DEFINE3()
3812 	return do_sched_setscheduler(pid, policy, param);  in SYSCALL_DEFINE3()
3881 			retval = p->policy  in SYSCALL_DEFINE1()
3997 	attr.sched_policy = p->policy;  in SYSCALL_DEFINE4()
4421 SYSCALL_DEFINE1(sched_get_priority_max, int, policy)  in SYSCALL_DEFINE1()  argument
4425 	switch (policy) {  in SYSCALL_DEFINE1()
4448 SYSCALL_DEFINE1(sched_get_priority_min, int, policy)  in SYSCALL_DEFINE1()  argument
4452 	switch (policy) {  in SYSCALL_DEFINE1()