From: Eric Dumazet <edumazet@google.com>
Date: Sun, 3 Jun 2012 20:33:21 +0000 (+0000)
Subject: tcp: tcp_make_synack() consumes dst parameter
X-Git-Tag: v3.6-rc1~125^2~620
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4aea39c11c610e411768649fdc04777903ebfe07;p=pandora-kernel.git

tcp: tcp_make_synack() consumes dst parameter

tcp_make_synack() clones the dst, and callers release it.

We can avoid two atomic operations per SYNACK if tcp_make_synack()
consumes dst instead of cloning it.

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