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| author | Wen Yang <wenyang@linux.alibaba.com> | 2020-01-20 18:04:56 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-29 15:02:36 +0100 |
| commit | 7e70784f1702cd9f438e23168ae937397c2d323a (patch) | |
| tree | 942a6b504255de98f32eee7b6aa9faf9bff1c26c /include | |
| parent | d6502fc298460df8e72f525778cff3dd40daaab3 (diff) | |
tcp_bbr: improve arithmetic division in bbr_update_bw()
[ Upstream commit 5b2f1f3070b6447b76174ea8bfb7390dc6253ebd ]
do_div() does a 64-by-32 division. Use div64_long() instead of it
if the divisor is long, to avoid truncation to 32-bit.
And as a nice side effect also cleans up the function a bit.
Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions