42 #define pid_hashfn(nr, ns)	\  argument
43 	hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift)
107 	int nr = upid->nr;  in free_pidmap()  local
108 	struct pidmap *map = upid->ns->pidmap + nr / BITS_PER_PAGE;  in free_pidmap()
109 	int offset = nr & BITS_PER_PAGE_MASK;  in free_pidmap()
301 	int i, nr;  in alloc_pid()  local
313 		nr = alloc_pidmap(tmp);  in alloc_pid()
314 		if (IS_ERR_VALUE(nr)) {  in alloc_pid()
315 			retval = nr;  in alloc_pid()
319 		pid->numbers[i].nr = nr;  in alloc_pid()
340 				&pid_hash[pid_hashfn(upid->nr, upid->ns)]);  in alloc_pid()
366 struct pid *find_pid_ns(int nr, struct pid_namespace *ns)  in find_pid_ns()  argument
371 			&pid_hash[pid_hashfn(nr, ns)], pid_chain)  in find_pid_ns()
372 		if (pnr->nr == nr && pnr->ns == ns)  in find_pid_ns()
380 struct pid *find_vpid(int nr)  in find_vpid()  argument
382 	return find_pid_ns(nr, task_active_pid_ns(current));  in find_vpid()
452 struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)  in find_task_by_pid_ns()  argument
456 	return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);  in find_task_by_pid_ns()
488 struct pid *find_get_pid(pid_t nr)  in find_get_pid()  argument
493 	pid = get_pid(find_vpid(nr));  in find_get_pid()
503 	pid_t nr = 0;  in pid_nr_ns()  local
508 			nr = upid->nr;  in pid_nr_ns()
510 	return nr;  in pid_nr_ns()
523 	pid_t nr = 0;  in __task_pid_nr_ns()  local
531 		nr = pid_nr_ns(rcu_dereference(task->pids[type].pid), ns);  in __task_pid_nr_ns()
535 	return nr;  in __task_pid_nr_ns()
556 struct pid *find_ge_pid(int nr, struct pid_namespace *ns)  in find_ge_pid()  argument
561 		pid = find_pid_ns(nr, ns);  in find_ge_pid()
564 		nr = next_pidmap(ns, nr);  in find_ge_pid()
565 	} while (nr > 0);  in find_ge_pid()