_PAGE_AR_MASK 63 arch/ia64/include/asm/pgtable.h #define _PAGE_CHG_MASK (_PAGE_P | _PAGE_PROTNONE | _PAGE_PL_MASK | _PAGE_AR_MASK | _PAGE_ED) _PAGE_AR_MASK 297 arch/ia64/include/asm/pgtable.h #define pte_write(pte) ((unsigned) (((pte_val(pte) & _PAGE_AR_MASK) >> _PAGE_AR_SHIFT) - 2) <= 4)