/*
* Pick a random mapping, and perform some r/w op on it.
* Called from child on child init, and also periodically
* from periodic_work()
*/
void dirty_random_mapping(void)
{
struct map *map;
map = get_map();
dirty_mapping(map);
}
/*
* If we successfully remapped a range, we need to update our record of it
* so we don't re-use the old address.
*/
static void post_mremap(struct syscallrecord *rec)
{
void *ptr = (void *) rec->retval;
if (ptr == MAP_FAILED)
return;
map->ptr = ptr;
/* Sometimes dirty the mapping first. */
if (rand_bool())
dirty_mapping(map);
}
