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Re: [Xen-devel] [PATCHv1 net-next] xen-netback: remove unconditional pull_skb_tail in guest Tx path
On Tue, 2014-11-04 at 16:17 -0500, David Miller wrote:
>
> Every protocol demux starts with pskb_may_pull() to pull frag data
> into the linear area, if necessary, before looking at headers.
eth_get_headlen() might be relevant as well, to perform a single copy of
exactly all headers.
This is known to help a bit.
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