PMD_SECT_XN        31 arch/arm/include/asm/pgtable-2level-hwdef.h #define PMD_SECT_XN		(_AT(pmdval_t, 1) << 4)		/* v6 */
PMD_SECT_XN        39 arch/arm/include/asm/pgtable-3level-hwdef.h #define PMD_SECT_XN		(_AT(pmdval_t, 1) << 54)