73 static inline struct kthread *to_kthread(struct task_struct *k)  in to_kthread()  argument
75 	WARN_ON(!(k->flags & PF_KTHREAD));  in to_kthread()
76 	return (__force void *)k->set_child_tid;  in to_kthread()
79 void free_kthread_struct(struct task_struct *k)  in free_kthread_struct()  argument
87 	kthread = to_kthread(k);  in free_kthread_struct()
107 bool __kthread_should_park(struct task_struct *k)  in __kthread_should_park()  argument
109 	return test_bit(KTHREAD_SHOULD_PARK, &to_kthread(k)->flags);  in __kthread_should_park()
472 void kthread_unpark(struct task_struct *k)  in kthread_unpark()  argument
474 	struct kthread *kthread = to_kthread(k);  in kthread_unpark()
481 		__kthread_bind(k, kthread->cpu, TASK_PARKED);  in kthread_unpark()
487 	wake_up_state(k, TASK_PARKED);  in kthread_unpark()
503 int kthread_park(struct task_struct *k)  in kthread_park()  argument
505 	struct kthread *kthread = to_kthread(k);  in kthread_park()
507 	if (WARN_ON(k->flags & PF_EXITING))  in kthread_park()
514 	if (k != current) {  in kthread_park()
515 		wake_up_process(k);  in kthread_park()
525 		WARN_ON_ONCE(!wait_task_inactive(k, TASK_PARKED));  in kthread_park()
547 int kthread_stop(struct task_struct *k)  in kthread_stop()  argument
552 	trace_sched_kthread_stop(k);  in kthread_stop()
554 	get_task_struct(k);  in kthread_stop()
555 	kthread = to_kthread(k);  in kthread_stop()
557 	kthread_unpark(k);  in kthread_stop()
558 	wake_up_process(k);  in kthread_stop()
560 	ret = k->exit_code;  in kthread_stop()
561 	put_task_struct(k);  in kthread_stop()