CPUID_EXT_MMFR3 53 arch/arm/include/asm/smp_plat.h return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 2; CPUID_EXT_MMFR3 65 arch/arm/include/asm/smp_plat.h return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 1;