static void pidfd_show_fdinfo(struct seq_file *m, struct file *f)
{
	struct pid_namespace *ns = proc_pid_ns(file_inode(m->file));
	struct pid *pid = f->private_data;

	seq_put_decimal_ull(m, "Pid:\t", pid_nr_ns(pid, ns));
	seq_putc(m, '\n');
}
static void pidfd_show_fdinfo(struct seq_file *m, struct file *f)
{
	struct pid_namespace *ns = proc_pid_ns(file_inode(m->file));
	struct pid *pid = f->private_data;

	seq_put_decimal_ull(m, "Pid:\t", pid_nr_ns(pid, ns));
	seq_putc(m, '\n');
}