OBP_STACKDEPTH
pnode_t stack[OBP_STACKDEPTH];
pnode_t id[OBP_STACKDEPTH];
parinfo = kmem_alloc(OBP_STACKDEPTH * sizeof (*parinfo),
if (depth == OBP_STACKDEPTH) {
kmem_free(parinfo, OBP_STACKDEPTH * sizeof (*parinfo));