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

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Message-ID: <412e6f7f1001150105q2ae70fb2u2e2cfba39a250dc0@mail.gmail.com>
Date:	Fri, 15 Jan 2010 17:05:35 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	therbert@...gle.com, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: Re: [PATCH v5] rps: Receive Packet Steering

On Fri, Jan 15, 2010 at 4:50 PM, David Miller <davem@...emloft.net> wrote:
> 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.
>

Yea, and it is just an example.


-- 
Regards，
Changli Gao(xiaosuo@...il.com)
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