In the patch by David S. Miller, copy_from_user() is still there (Line
14360 in zerocopy-2.4.0-1.diff). So which copy is reduced? Can anyone
explain kindly.
thanks
sourav
On Mon, 5 Mar 2001, Albert D. Cahalan wrote:
> > My question is: Is the state of the art same in 2.4.0, ie. is
> > prot
Hi,
As far as I understand, in 2.2.x networking code the protocol
header and data used to reside in a contiguous region in memory(pointed
to by the head, data, tail, end of sk_buff struct),
ie skb->data is the starting point and skb->tail is the ending point.
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