159 struct pid *alloc_pid(struct pid_namespace *ns, pid_t *set_tid,  in alloc_pid()
413 struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)  in find_task_by_pid_ns()
420 struct task_struct *find_task_by_vpid(pid_t vnr)  in find_task_by_vpid()
426 struct task_struct *find_get_task_by_vpid(pid_t nr)  in find_get_task_by_vpid()
461 struct pid *find_get_pid(pid_t nr)  in find_get_pid()
473 pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)  in pid_nr_ns()
476 	pid_t nr = 0;  in pid_nr_ns()
487 pid_t pid_vnr(struct pid *pid)  in pid_vnr()
493 pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,  in __task_pid_nr_ns()
496 	pid_t nr = 0;  in __task_pid_nr_ns()
585 SYSCALL_DEFINE2(pidfd_open, pid_t, pid, unsigned int, flags)  in SYSCALL_DEFINE2()  argument