int gart_iterator;
static int amd_8151_configure(void){	unsigned long gatt_bus = virt_to_gart(agp_bridge->gatt_table_real);	/* Configure AGP regs in each x86-64 host bridge. */	for_each_nb() {		agp_bridge->gart_bus_addr =				amd64_configure(hammers[gart_iterator],gatt_bus);	}	return 0;}