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sctp: reduce memory footprint of sctp_chunk structure

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sctp_chunks should be put on a diet.  This is some of the low hanging
fruit that we can strip out.  Changes all the __s8/__u8 flags to
bitfields.  Saves 12 bytes per chunk.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
This commit is contained in:
Neil Horman
2008-07-25 12:44:09 -04:00
committed by Vlad Yasevich
parent 845b8eda4d
commit c226ef9b83
4 changed files with 26 additions and 23 deletions
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2
net/sctp/output.c
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@@ -699,7 +699,7 @@ static sctp_xmit_t sctp_packet_append_data(struct sctp_packet *packet,
* When a Fast Retransmit is being performed the sender SHOULD
* ignore the value of cwnd and SHOULD NOT delay retransmission.
*/
if (chunk->fast_retransmit <= 0)
if (chunk->fast_retransmit != SCTP_NEED_FRTX)
if (transport->flight_size >= transport->cwnd) {
retval = SCTP_XMIT_RWND_FULL;
goto finish;