> On Mon, 12 Nov 2007, Eric Dumazet wrote:
>> For example, I do think using a per cpu memory storage on net_device refcnt &
>> last_rx could give us some speedups.
>
> Note that there was a new patchset posted (titled cpu alloc v1) that
> provides on demand extension of the cpu areas.
>
> See
http://marc.info/?l=linux-kernel&m=119438261304093&w=2