pt2map_pt2pg
pmap_tlb_flush(pmap, pt2map_pt2pg(va));
fpte2p = page_pt2(pt2map_pt2pg(va), pte1_idx);
fpte2p = page_pt2(pt2map_pt2pg(va), pte1_idx);
bzero((void*)pt2map_pt2pg(va), PAGE_SIZE);
pte2_sync_range((pt2_entry_t *)pt2map_pt2pg(va), PAGE_SIZE);