From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Thu, 18 Oct 2007 12:07:57 +0000 (-0700)
Subject: [TCP]: Remove lost_retrans zero seqno special cases
X-Git-Tag: v2.6.24-rc1~294^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df2e014bfbbf26d160e1bf47b05fc05c96205e2b;p=pandora-kernel.git

[TCP]: Remove lost_retrans zero seqno special cases

Both high-sack detection and new lowest seq variables have
unnecessary zero special case which are now removed by setting
safe initial seqnos.

This also fixes problem which caused zero received_upto being
passed to tcp_mark_lost_retrans which confused after relations
within the marker loop causing incorrect TCPCB_SACKED_RETRANS
clearing. The problem was noticed because of a performance
report from TAKANO Ryousei <takano@axe-inc.co.jp>.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: Ryousei Takano <takano-ryousei@aist.go.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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