_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)