_PAGE_BIT_PKEY_BIT0 1408 arch/x86/include/asm/pgtable.h return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0; _PAGE_BIT_PKEY_BIT0 59 arch/x86/include/asm/pgtable_types.h #define _PAGE_PKEY_BIT0 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT0)