PG_V
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;
if (pte & PG_V)
if ((pte32 & PG_V) == 0 ||
if ((pte & PG_V) == 0) {
if ((pte & PG_V) == 0 ||