From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v5] rps: Receive Packet Steering
Date: Fri, 15 Jan 2010 00:50:29 -0800 (PST)
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From: Changli Gao <xiaosuo@gmail.com>
Date: Fri, 15 Jan 2010 10:22:03 +0800

> For connection based packet processing, such as netfilter,
> distributing the packets in two directions into one CPU will reduce
> cache miss, when NAT isn't used. I think the code bellow will help:
> if (addr1 > addr2)
>   swap(addr1, addr2);

You can't just do the addresses, the ports will swap too.