netdev - Re: [PATCH v5] rps: Receive Packet Steering

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Message-Id: <20100115.005029.214418777.davem@davemloft.net>
Date:	Fri, 15 Jan 2010 00:50:29 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	xiaosuo@...il.com
Cc:	therbert@...gle.com, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: Re: [PATCH v5] rps: Receive Packet Steering

From: Changli Gao <xiaosuo@...il.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.
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