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(parent: c47c11b) | patch
[TCP]: Avoid a divide in tcp_mtu_probing()
authorEric Dumazet <dada1@cosmosbay.com>
Fri, 21 Dec 2007 13:58:29 +0000 (05:58 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 28 Jan 2008 23:00:00 +0000 (15:00 -0800)
commit112280474c97353493ae971b17288f52a57ba3a9
tree43e9ee3ccbff75813c9cbc0fee1635ff86692363tree | snapshot
parentc47c11ba9a4fd42afe5584de1c272a73f535b4d7commit | diff
[TCP]: Avoid a divide in tcp_mtu_probing()

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

Using a right shift 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_timer.c diff | blob | history
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