PG_HW_BITS
md_upte->data = (*pte & PG_HW_BITS) | PG_D | PG_V;
md_upte->data = (*pte & PG_HW_BITS) |
_reg_write_4(SH3_PTEL, pte & PG_HW_BITS);
ptel = pte & PG_HW_BITS;