#include<linux/module.h>#include<linux/kernel.h>#include<linux/init.h>staticint__inithello_init(void){printk(KERN_INFO"Hello world!\n");return0;}staticvoid__exithello_cleanup(void){printk(KERN_INFO"Cleaning up hellomod.\n");}module_init(hello_init);module_exit(hello_cleanup);MODULE_LICENSE("GPL");