From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Thu, 14 Oct 2010 01:42:30 +0000 (+0000)
Subject: tcp: sack lost marking fixes
X-Git-Tag: v2.6.37-rc1~147^2~124
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fdb936101637c91819efea47e921bb592e07e34;p=pandora-kernel.git

tcp: sack lost marking fixes

When only fast rexmit should be done, tcp_mark_head_lost marks
L too far. Also, sacked_upto below 1 is perfectly valid number,
the packets == 0 then needs to be trapped elsewhere.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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