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#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
int do_work(int *my_int, int retval)
{
int x;
int y = *my_int;
int z;
for(x = 0 ; x < *my_int ; ++x)
udelay(10);
if (y < 10)
/* That was a long sleep, tell userspace about it. */
pr_debug("We slept a long time!");
z = x * y;
return z;
}
int my_init(void)
{
int x = 10;
x = do_work(&x, x);
return x;
}
void my_exit(void)
{
}
module_init(my_init);
module_exit(my_exit);
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