/*
* hello−1.c − The simplest kernel module.
*/
#include <linux/module.h>
/* Needed by all modules */
#include <linux/kernel.h>
/* Needed for KERN_INFO */
int init_module(void)
{
printk(KERN_INFO "Hello world 1.\n");
/*
* A non 0 return means init_module failed; module can't be loaded.
*/
return 0;
}
void cleanup_module(void)
{
printk(KERN_INFO "Goodbye world 1.\n");
}