Re: sk_buff in 2.4.0

[Sourav Sen <sourav@csa.iisc.ernet.in>]

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
> > protocol header and data still has to reside contiguously? Or header and
> > data may be non-contiguous and the driver does scatter/gather.
> > 
> > 	I am starting off in 2.4.0 , plz. help.
> 
> See the zero-copy patches by David S. Miller on ftp.kernel.org in
> his personal directory. If I remember right, the name of the
> directory is: /pub/linux/kernel/people/davem
> 
> These patches are now in Alan Cox's patch sets. (the "ac" kernels)
n> You may find Alan Cox's stuff in his personal directory ("alan") at
> the same FTP site.
> 

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