RADIX_TREE_INVALID_HEIGHT
RADIX_TREE_INVALID_HEIGHT;
if (path.p_lastidx == RADIX_TREE_INVALID_HEIGHT) {
KASSERT(path->p_lastidx == RADIX_TREE_INVALID_HEIGHT ||
KASSERT(lastidx == RADIX_TREE_INVALID_HEIGHT ||
if (lastidx == RADIX_TREE_INVALID_HEIGHT) {