#include <linux/fs.h>#include <linux/init.h>#include <linux/proc_fs.h>#include <linux/seq_file.h> extern const struct seq_operations cpuinfo_op;static int cpuinfo_open(struct inode *inode, struct file *file){	return seq_open(file, &cpuinfo_op);} static const struct file_operations proc_cpuinfo_operations = {	.open		= cpuinfo_open,	.read		= seq_read,	.llseek		= seq_lseek,	.release	= seq_release,}; static int __init proc_cpuinfo_init(void){	proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);	return 0;}module_init(proc_cpuinfo_init);