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(parent: 1122804) | patch
[TCP]: Avoid two divides in __tcp_grow_window()
authorEric Dumazet <dada1@cosmosbay.com>
Fri, 21 Dec 2007 14:07:53 +0000 (06:07 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 28 Jan 2008 23:00:01 +0000 (15:00 -0800)
commit9b2374ac244cb6811d1627ec9d4c5938a5f496f1
tree0ce2c35f0ffce2553d897116e9370fdaf0433f12tree | snapshot
parent112280474c97353493ae971b17288f52a57ba3a9commit | diff
[TCP]: Avoid two divides in __tcp_grow_window()

tcp_win_from_space() being signed, compiler might emit an integer divide
to compute tcp_win_from_space()/2 .

Using right shifts is OK here and less expensive.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_input.c diff | blob | history
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