alloc_unr64
nnode->tn_id = alloc_unr64(&tmp->tm_ino_unr);
pipe->pipe_ino = alloc_unr64(&pipeino_unr);
tfd->tfd_ino = alloc_unr64(&tfdino_unr);
shmfd->shm_ino = alloc_unr64(&shm_ino_unr);
s->id = alloc_unr64(&V_pf_stateid);