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[SCTP]: Rewrite of sctp buffer management code

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This patch introduces autotuning to the sctp buffer management code
similar to the TCP.  The buffer space can be grown if the advertised
receive window still has room.  This might happen if small message
sizes are used, which is common in telecom environmens.
New tunables are introduced that provide limits to buffer growth
and memory pressure is entered if to much buffer spaces is used.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Horman 2007-08-15 16:07:44 -07:00 • committed by David S. Miller
parent 13c99b248f
commit 4d93df0abd
8 changed files with 164 additions and 67 deletions
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1
net/sctp/ulpqueue.c
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@ -1027,6 +1027,7 @@ void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
sctp_ulpq_partial_delivery(ulpq, chunk, gfp);
}
sk_stream_mem_reclaim(asoc->base.sk);
return;
}