1907 init_task_pid(struct task_struct *task, enum pid_type type, struct pid *pid)  in init_task_pid()  argument
1910 		task->thread_pid = pid;  in init_task_pid()
1912 		task->signal->pids[type] = pid;  in init_task_pid()
1936 struct pid *pidfd_pid(const struct file *file)  in pidfd_pid()
1946 	struct pid *pid = file->private_data;  in pidfd_release()  local
1949 	put_pid(pid);  in pidfd_release()
1991 	struct pid *pid = f->private_data;  in pidfd_show_fdinfo()  local
1995 	if (likely(pid_has_task(pid, PIDTYPE_PID))) {  in pidfd_show_fdinfo()
1997 		nr = pid_nr_ns(pid, ns);  in pidfd_show_fdinfo()
2012 		for (i = ns->level + 1; i <= pid->level; i++)  in pidfd_show_fdinfo()
2013 			seq_put_decimal_ll(m, "\t", pid->numbers[i].nr);  in pidfd_show_fdinfo()
2025 	struct pid *pid = file->private_data;  in pidfd_poll()  local
2028 	poll_wait(file, &pid->wait_pidfd, pts);  in pidfd_poll()
2035 	if (thread_group_exited(pid))  in pidfd_poll()
2104 					struct pid *pid,  in copy_process()  argument
2385 	if (pid != &init_struct_pid) {  in copy_process()
2386 		pid = alloc_pid(p->nsproxy->pid_ns_for_children, args->set_tid,  in copy_process()
2388 		if (IS_ERR(pid)) {  in copy_process()
2389 			retval = PTR_ERR(pid);  in copy_process()
2406 		pidfile = anon_inode_getfile("[pidfd]", &pidfd_fops, pid,  in copy_process()
2413 		get_pid(pid);	/* held by pidfile now */  in copy_process()
2443 	p->pid = pid_nr(pid);  in copy_process()
2449 		p->tgid = p->pid;  in copy_process()
2531 	if (unlikely(!(ns_of_pid(pid)->pid_allocated & PIDNS_ADDING))) {  in copy_process()
2551 	if (likely(p->pid)) {  in copy_process()
2554 		init_task_pid(p, PIDTYPE_PID, pid);  in copy_process()
2556 			init_task_pid(p, PIDTYPE_TGID, pid);  in copy_process()
2560 			if (is_child_reaper(pid)) {  in copy_process()
2561 				ns_of_pid(pid)->child_reaper = p;  in copy_process()
2626 	if (pid != &init_struct_pid)  in copy_process()
2627 		free_pid(pid);  in copy_process()
2749 	struct pid *pid;  in kernel_clone()  local
2800 	pid = get_task_pid(p, PIDTYPE_PID);  in kernel_clone()
2801 	nr = pid_vnr(pid);  in kernel_clone()
2823 		ptrace_event_pid(trace, pid);  in kernel_clone()
2827 			ptrace_event_pid(PTRACE_EVENT_VFORK_DONE, pid);  in kernel_clone()
2830 	put_pid(pid);  in kernel_clone()