From: Changli Gao <xiaosuo@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: therbert@google.com, netdev@vger.kernel.org,
netfilter-devel@vger.kernel.org
Subject: Re: [PATCH v5] rps: Receive Packet Steering
Date: Fri, 15 Jan 2010 17:05:35 +0800 [thread overview]
Message-ID: <412e6f7f1001150105q2ae70fb2u2e2cfba39a250dc0@mail.gmail.com> (raw)
In-Reply-To: <20100115.005029.214418777.davem@davemloft.net>
On Fri, Jan 15, 2010 at 4:50 PM, David Miller <davem@davemloft.net> wrote:
> 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.
>
Yea, and it is just an example.
--
Regards，
Changli Gao(xiaosuo@gmail.com)
prev parent reply other threads:[~2010-01-15 9:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <alpine.DEB.1.00.1001141353140.19018@pokey.mtv.corp.google.com>
2010-01-15 2:22 ` [PATCH v5] rps: Receive Packet Steering Changli Gao
2010-01-15 6:19 ` Eric Dumazet
2010-01-15 6:39 ` Changli Gao
2010-01-15 6:57 ` Eric Dumazet
2010-01-15 8:49 ` David Miller
2010-01-15 9:20 ` Changli Gao
2010-01-15 9:26 ` David Miller
2010-01-21 7:04 ` Changli Gao
2010-01-15 9:45 ` David Miller
2010-01-15 8:50 ` David Miller
2010-01-15 9:05 ` Changli Gao [this message]
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