rem: dprintf("vm_delete_region: aspace id 0x%x, region id 0x%x\n", aspace->id, rid);
add: dprintf("vm_delete_region: aspace id 0x%lx, region id 0x%lx\n", aspace->id, rid);
context: static int _vm_delete_region(vm_address_space *aspace, region_id rid){//	vm_region *temp, *last = NULL;	vm_region *region;	dprintf("vm_delete_region: aspace id 0x%x, region id 0x%x\n", aspace->id, rid);	region = vm_get_region_by_id(rid);	if(region == NULL)		return ERR_VM_INVALID_REGION;	__vm_delete_region(aspace, region);	vm_put_region(region);	return 0;}