// SPDX-License-Identifier: GPL-2.0#include <linux/fs.h>#include <linux/init.h>#include <linux/proc_fs.h>#include <linux/seq_file.h> static int cmdline_proc_show(struct seq_file *m, void *v){	seq_puts(m, saved_command_line);	seq_putc(m, '\n');	return 0;} static int __init proc_cmdline_init(void){	proc_create_single("cmdline", 0, NULL, cmdline_proc_show);	return 0;}fs_initcall(proc_cmdline_init);