PMD_SECT_CACHE_MASK   47 arch/arm/include/asm/pgtable-2level-hwdef.h #define PMD_SECT_CACHE_MASK	(PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
PMD_SECT_CACHE_MASK   53 arch/arm/include/asm/pgtable-3level-hwdef.h #define PMD_SECT_CACHE_MASK	(_AT(pmdval_t, 7) << 2)