300 	enum pid_type type;  in alloc_pid()  local
331 	for (type = 0; type < PIDTYPE_MAX; ++type)  in alloc_pid()
332 		INIT_HLIST_HEAD(&pid->tasks[type]);  in alloc_pid()
389 void attach_pid(struct task_struct *task, enum pid_type type)  in attach_pid()  argument
391 	struct pid_link *link = &task->pids[type];  in attach_pid()
392 	hlist_add_head_rcu(&link->node, &link->pid->tasks[type]);  in attach_pid()
395 static void __change_pid(struct task_struct *task, enum pid_type type,  in __change_pid()  argument
402 	link = &task->pids[type];  in __change_pid()
415 void detach_pid(struct task_struct *task, enum pid_type type)  in detach_pid()  argument
417 	__change_pid(task, type, NULL);  in detach_pid()
420 void change_pid(struct task_struct *task, enum pid_type type,  in change_pid()  argument
423 	__change_pid(task, type, pid);  in change_pid()
424 	attach_pid(task, type);  in change_pid()
429 			   enum pid_type type)  in transfer_pid()  argument
431 	new->pids[type].pid = old->pids[type].pid;  in transfer_pid()
432 	hlist_replace_rcu(&old->pids[type].node, &new->pids[type].node);  in transfer_pid()
435 struct task_struct *pid_task(struct pid *pid, enum pid_type type)  in pid_task()  argument
440 		first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),  in pid_task()
443 			result = hlist_entry(first, struct task_struct, pids[(type)].node);  in pid_task()
465 struct pid *get_task_pid(struct task_struct *task, enum pid_type type)  in get_task_pid()  argument
469 	if (type != PIDTYPE_PID)  in get_task_pid()
471 	pid = get_pid(task->pids[type].pid);  in get_task_pid()
477 struct task_struct *get_pid_task(struct pid *pid, enum pid_type type)  in get_pid_task()  argument
481 	result = pid_task(pid, type);  in get_pid_task()
521 pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,  in __task_pid_nr_ns()  argument
530 		if (type != PIDTYPE_PID)  in __task_pid_nr_ns()
532 		nr = pid_nr_ns(task->pids[type].pid, ns);  in __task_pid_nr_ns()