PGEX_P
(frame->tf_err & (PGEX_P | PGEX_U | PGEX_I | PGEX_RSV)) ==
PGEX_P && (frame->tf_rflags & PSL_AC) == 0);
pg_nx != 0 && (frame->tf_err & (PGEX_P | PGEX_W |
PGEX_U | PGEX_I)) == (PGEX_P | PGEX_U | PGEX_I) &&
code & PGEX_P ? "protection violation" : "page not present");
error_code |= PGEX_P;
code & PGEX_P ? "protection violation" : "page not present");