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tcp: Fix comments for Nagle algorithm

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TCP_NODELAY is weaker than TCP_CORK, when TCP_CORK was set, small
segments will always pass Nagle test regardless of TCP_NODELAY option.

Signed-off-by: Feng King <kinwin2008@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Feng King 2011-11-05 04:23:23 +00:00 committed by David S. Miller
parent 59caa5612c
commit 6d67e9beb6
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp_output.c
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@ -1382,7 +1382,7 @@ static inline int tcp_minshall_check(const struct tcp_sock *tp)
/* Return 0, if packet can be sent now without violation Nagle's rules:
* 1. It is full sized.
* 2. Or it contains FIN. (already checked by caller)
* 3. Or TCP_NODELAY was set.
* 3. Or TCP_CORK is not set, and TCP_NODELAY is set.
* 4. Or TCP_CORK is not set, and all sent packets are ACKed.
* With Minshall's modification: all sent small packets are ACKed.
*/