vm_map_findspace
if (vm_map_findspace(map, start, size, 1, 0, &start))
if (vm_map_findspace(kernel_map, addr, size, align, 0, &addr)) {
if (vm_map_findspace(map, vm_map_min(map), size, PAGE_SIZE, 0, &addr)) {
if (vm_map_findspace(map, vm_map_min(map),
if (vm_map_findspace(map, vm_map_min(map), size, PAGE_SIZE,
if (vm_map_findspace(map, start, length, align, flags, addr)) {
if (vm_map_findspace(map, *addrbos, max_ssize, 1,
int vm_map_findspace (vm_map_t, vm_offset_t, vm_size_t, vm_size_t,