#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/vmalloc.h>
#include <linux/timer.h>
#include <linux/sched.h>

#define MODULE_NAME "tf"

#ifdef __KERNEL__

int *buf;
struct timer_list timer;

static void timeoutfun(unsigned long b) {
  printk("tf: timeoutfun\n");
  vfree(buf);
}

struct timer_list timer;

int __init init_tf(void)
{
  printk("init_tf\n");
  buf = vmalloc(10*sizeof(int));
  
  init_timer(&timer); /* Initialization of the timer */
  
  timer.function = &timeoutfun;
  timer.data     = 10;
  timer.expires  = jiffies + (10 * HZ); /* 1 sec */
  
  add_timer(&timer);

  return 0;
}


void __exit exit_tf(void)
{
  printk("exit_tf\n");
  vfree(buf);
}


module_init(init_tf);
module_exit(exit_tf);
MODULE_LICENSE("GPL");


#endif