On Thu, 05 Jul 2007 16:43:08 -0700 (PDT)
David Miller <[EMAIL PROTECTED]> wrote:
> From: Stephen Hemminger <[EMAIL PROTECTED]>
> Date: Thu, 05 Jul 2007 16:14:14 -0700
>
> > The scatterlist only needs 16 bits for length/offset because
> > PAGE_SIZE is 4K
> >
> > Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
>
> Unfortunately I don't think this can be done, even on i386.
>
> It is legal to use order!=0 pages and multi-page areas in a single
> scatterlist entry.
>
Okay, but then using SG lists makes skbuff's much bigger.
fraglist scatterlist per skbuff
32 bit 8 20 +12 * 18 = +216!
64 bit 16 32 +16 * 18 = +288
So never mind...
I'll do a fraglist to scatter list set of routines, but not sure
if it's worth it.
--
Stephen Hemminger <[EMAIL PROTECTED]>
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