static void __put_unused_fd(struct files_struct *files, unsigned int fd)
{
	struct fdtable *fdt = files_fdtable(files);
	__clear_open_fd(fd, fdt);
	if (fd < files->next_fd)
		files->next_fd = fd;
}
static void __put_unused_fd(struct files_struct *files, unsigned int fd)
{
	struct fdtable *fdt = files_fdtable(files);
	__clear_open_fd(fd, fdt);
	if (fd < files->next_fd)
		files->next_fd = fd;
}