1 /*

     2  *  hello-1.c - The simplest kernel module.

     3  */

     4 #include <linux/module.h>       /* Needed by all modules */

     5 #include <linux/kernel.h>       /* Needed for KERN_INFO */

     6 

     7 int init_module (void)

     8 {

     9     printk (KERN_INFO "Hello world 1.\n");

    10 

    11     /*

    12      * A non 0 return means init_module failed; module can't be loaded.

    13      */

    14     return 0;

    15 }

    16 

    17 void cleanup_module (void)

    18 {

    19     printk (KERN_INFO "Goodbye world 1.\n");

    20 }