MAP_WIREFUTURE
if (map->flags & MAP_WIREFUTURE) {
map->flags |= MAP_WIREFUTURE;
map->flags &= ~MAP_WIREFUTURE;
if ((rv == KERN_SUCCESS) && (map->flags & MAP_WIREFUTURE))
if (vm->vm_map.flags & MAP_WIREFUTURE)
if (vm->vm_map.flags & MAP_WIREFUTURE)