PG_PMAP_REF 404 arch/i386/i386/pmap.c return (((pte & PG_U) ? PG_PMAP_REF : 0) | PG_PMAP_REF 411 arch/i386/i386/pmap.c return (((pte & PG_PMAP_REF) ? PG_U : 0) |