CREDITS_PER_JIFFY_BYTES
us *= HZ * CREDITS_PER_JIFFY_BYTES;
dh->rateinfo.credit += CREDITS_PER_JIFFY_BYTES * delta;
cap = CREDITS_PER_JIFFY_BYTES * HZ;
dh->rateinfo.credit = CREDITS_PER_JIFFY_BYTES * HZ;
if (unlikely(tmp > CREDITS_PER_JIFFY_BYTES * HZ))
tmp = CREDITS_PER_JIFFY_BYTES * HZ;
dh->rateinfo.credit = CREDITS_PER_JIFFY_BYTES * HZ;