PM_BYTE_MSK        22 arch/powerpc/perf/power5+-pmu.c #define PM_BYTE_MSK	7
PM_BYTE_MSK        22 arch/powerpc/perf/power5-pmu.c #define PM_BYTE_MSK	7
PM_BYTE_MSK        25 arch/powerpc/perf/power6-pmu.c #define PM_BYTE_MSK	3
PM_BYTE_MSK        22 arch/powerpc/perf/ppc970-pmu.c #define PM_BYTE_MSK	3