Why hello kernel module didn't output anything?

[Hong Hsu <honghsu@bellatlantic.net>]

Here is my simple question:
Compile following hello.c with gcc -c hello.c -Wall, then insmod hello.o 
-o mytest
The /proc/modules shows  "mytest                   528   0 (unused)"
But how the module will be called as it suppose to send "Hello, world " 
to either xterm or konsole? 

Thanks,
-Hong


#define __KERNEL__         /* We're part of the kernel */
#define MODULE             /* Not a permanent part, though. */

/* #include <linux/modversions.h>  */
#include <linux/module.h>

int init_module()
{
   printk("Hello, world - this is the kernel speaking\n");
 
  return 0;
}

void cleanup_module()
{
  printk("Short is the life of an LKM\n");
}

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