PTE_EXT_XN         69 arch/arm/include/asm/pgtable-2level-hwdef.h #define PTE_EXT_XN		(_AT(pteval_t, 1) << 0)		/* v6 */
PTE_EXT_XN         69 arch/arm/include/asm/pgtable-3level-hwdef.h #define PTE_EXT_XN		(_AT(pteval_t, 1) << 54)	/* XN */