Re: [RFC PATCH v7 08/19] Make __alloc_skb() to get external buffer.

[Eric Dumazet]

Le samedi 05 juin 2010 Ã 18:14 +0800, xiaohui.xin@xxxxxxxxx a Ãcrit :
> From: Xin Xiaohui <xiaohui.xin@xxxxxxxxx>
> 	child->fclone = SKB_FCLONE_UNAVAILABLE;
>  	}
> +	/* Record the external buffer info in this field. It's not so good,
> +	 * but we cannot find another place easily.
> +	 */
> +	shinfo->destructor_arg = ext_page;
> +


Yes this is a big problem, its basically using a cache line that was not
touched before.


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