linux-kernel - Re: [RFC PATCH net-next 1/4] net: introduce backup

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Message-ID: <52CBF8EB.6000803@huawei.com>
Date:	Tue, 7 Jan 2014 20:54:03 +0800
From:	Libo Chen <clbchenlibo.chen@...wei.com>
To:	David Miller <davem@...emloft.net>
CC:	<edumazet@...gle.com>, <jasowang@...hat.com>, <horms@...ge.net.au>,
	<serge.hallyn@...ntu.com>, <netdev@...r.kernel.org>,
	<cgroups@...r.kernel.org>, <containers@...ts.linux-foundation.org>,
	<kaber@...sh.net>, <xemul@...nvz.org>, <ebiederm@...ssion.com>,
	<linux-kernel@...r.kernel.org>, <jhs@...atatu.com>,
	<lizefan@...wei.com>, Ding Tianhong <dingtianhong@...wei.com>
Subject: Re: [RFC PATCH net-next 1/4] net: introduce backup_classid to struct
 skbuff

On 2014/1/3 13:34, David Miller wrote:
> From: Libo Chen <clbchenlibo.chen@...wei.com>
> Date: Fri, 3 Jan 2014 11:11:04 +0800
> 
>>
>> introduce backup_classid to struct skbuff,
>> we can use it to backup sk_classid when net_ns switch.
>>
>> Signed-off-by: Libo Chen <clbchenlibo.chen@...wei.com>
> 
> Sorry, no new sk_buff members unless there is absolutely not other
> possible implementation.
> 

I'm kind of banging my head against the wall with this,
but can not think of a better way.

skb_shared_info is the extension for sk_buffer, how about moving into it?

any comments are appreciated!

thanks,
Libo

> sk_buff is too big as-is.
> 
> .
> 


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