_PAGE_UNUSED      883 arch/s390/include/asm/pgtable.h 	return pte_val(pte) & _PAGE_UNUSED;
_PAGE_UNUSED     1183 arch/s390/include/asm/pgtable.h 		pte_val(entry) &= ~_PAGE_UNUSED;
_PAGE_UNUSED      260 arch/s390/mm/pgtable.c 				pte_val(old) |= _PAGE_UNUSED;