_PAGE_PKEY_BIT0    59 arch/x86/include/asm/pgtable_types.h #define _PAGE_PKEY_BIT0	(_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT0)
_PAGE_PKEY_BIT0    64 arch/x86/include/asm/pgtable_types.h #define _PAGE_PKEY_BIT0	(_AT(pteval_t, 0))