L_PTE_DIRTY       120 arch/arm/include/asm/pgtable-2level.h #define L_PTE_DIRTY		(_AT(pteval_t, 1) << 6)
L_PTE_DIRTY        72 arch/arm/include/asm/pgtable-3level.h #define L_PTE_DIRTY		(_AT(pteval_t, 1) << 55)