PG_U
PT4[i] |= PG_V | PG_RW | PG_U;
PT3[i] |= PG_V | PG_RW | PG_U;
PT2[i] |= PG_V | PG_RW | PG_PS | PG_U;
PT3[i] |= PG_V | PG_RW | PG_U;
PT2[i] |= PG_V | PG_RW | PG_PS | PG_U;
PT4[i] |= PG_V | PG_RW | PG_U;
(usermode && (pte32 & PG_U) == 0) ||
(usermode && (pte & PG_U) == 0) ||