From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] ipv6: Early TCP socket demux
Date: Thu, 26 Jul 2012 14:29:03 -0700 (PDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 26 Jul 2012 12:34:28 +0200

> +	if (sysctl_ip_early_demux && !skb_dst(skb)) {

You obviously don't build ipv6 modular.

sysctl_ip_early_demux needs to be exported to modules in order
for this to work.