From: Stephen Hemminger <shemminger@osdl.org>
Date: Fri, 11 Nov 2005 01:14:59 +0000 (-0800)
Subject: [TCP]: speed up SACK processing
X-Git-Tag: v2.6.15-rc1~20^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a438bbe68c7013a42d9c5aee5a40d7dafdbe6ec;p=pandora-kernel.git

[TCP]: speed up SACK processing

Use "hints" to speed up the SACK processing. Various forms
of this have been used by TCP developers (Web100, STCP, BIC)
to avoid the 2x linear search of outstanding segments.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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