Messages in this thread | | | Date | Tue, 6 Mar 2001 09:33:54 +0530 (IST) | From | Sourav Sen <> | Subject | Re: sk_buff in 2.4.0 |
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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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