Average RTT is 32-bit thus full 64-bit division is redundant.
Signed-off-by: NKonstantin Khlebnikov <khlebnikov@yandex-team.ru>
Suggested-by: NStephen Hemminger <stephen@networkplumber.org>
Suggested-by: NEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>