SCALE_XSEC 122 arch/powerpc/kernel/time.c #define SCALE_XSEC(xsec, max) (((xsec) * max) / XSEC_PER_SEC) SCALE_XSEC 125 arch/powerpc/kernel/time.c #define SCALE_XSEC(xsec, max) mulhwu((xsec) << 12, max)