RE: [PATCH v12 06/17] Use callback to deal with skb_release_data()specially.

[Xin, Xiaohui]

>-----Original Message-----
>From: Eric Dumazet [mailto:eric.dumazet@xxxxxxxxx]
>Sent: Monday, October 11, 2010 11:42 PM
>To: David Miller
>Cc: Xin, Xiaohui; netdev@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx;
>linux-kernel@xxxxxxxxxxxxxxx; mst@xxxxxxxxxx; mingo@xxxxxxx;
>herbert@xxxxxxxxxxxxxxxxxxx; jdike@xxxxxxxxxxxxxxx
>Subject: Re: [PATCH v12 06/17] Use callback to deal with skb_release_data() specially.
>
>Le lundi 11 octobre 2010 à 08:27 -0700, David Miller a écrit :
>> From: "Xin, Xiaohui" <xiaohui.xin@xxxxxxxxx>
>> Date: Mon, 11 Oct 2010 15:06:05 +0800
>>
>> > That's to avoid the new cache miss caused by using destructor_arg in data path
>> > like skb_release_data().
>> > That's based on the comment from Eric Dumazet on v7 patches.
>>
>> Thanks for the explanation.
>
>Anyway, frags[] must be the last field of "struct skb_shared_info"
>since commit fed66381 (net: pskb_expand_head() optimization)
>
>It seems Xin worked on a quite old tree.
>
>
I will rebase soon.

Thanks
Xiaohui
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