From: Neal Cardwell <ncardwell@google.com>
Date: Mon, 4 Mar 2013 06:23:05 +0000 (+0000)
Subject: tcp: fix double-counted receiver RTT when leaving receiver fast path
X-Git-Tag: v3.9-rc2~24^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aab2b4bf224ef8358d262f95b568b8ad0cecf0a0;p=pandora-kernel.git

tcp: fix double-counted receiver RTT when leaving receiver fast path

We should not update ts_recent and call tcp_rcv_rtt_measure_ts() both
before and after going to step5. That wastes CPU and double-counts the
receiver-side RTT sample.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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