PG_M_U
npte |= PG_M_U;
npte |= invalidate_pte(pte) & PG_M_U;
pg->mdpage.pv_flags |= PG_M_U;
opte = invalidate_pte(pte) & PG_M_U;
pg->mdpage.pv_flags |= PG_M_U;
*pte++ = pa | PG_SO | PG_RW | PG_M_U | PG_W | PG_V | CACHE_WT;
*pte++ = pa | PG_SO | PG_RW | PG_M_U | PG_W | PG_V;
*pte++ = pa | PG_SO | PG_RW | PG_M_U | PG_V;
template = PG_SO | PG_RW | PG_M_U | PG_W | PG_V | pte_cmode;