PMD_TYPE_MASK      16 arch/arm/include/asm/pgtable-2level-hwdef.h #define PMD_TYPE_MASK		(_AT(pmdval_t, 3) << 0)
PMD_TYPE_MASK      17 arch/arm/include/asm/pgtable-3level-hwdef.h #define PMD_TYPE_MASK		(_AT(pmdval_t, 3) << 0)
PMD_TYPE_MASK     117 arch/arm64/include/asm/pgtable-hwdef.h #define PMD_TYPE_MASK		(_AT(pmdval_t, 3) << 0)
PMD_TYPE_MASK      18 arch/unicore32/include/asm/pgtable-hwdef.h #define PMD_TYPE_MASK		(3 << 0)