From: Andi Kleen <[EMAIL PROTECTED]>
Date: Tue, 12 Jul 2005 06:32:33 +0200

> On Mon, Jul 11, 2005 at 07:44:47PM -0700, David S. Miller wrote:
> > From: Andi Kleen <[EMAIL PROTECTED]>
> > Date: 12 Jul 2005 04:25:49 +0200
> > 
> > > What other plans do have? I think a lot of stuff could be moved
> > > into ->cb, in particular tc_* and the HIPPI field.
> > 
> > See:
> > 
> >     http://vger.kernel.org/~davem/net_todo.html
> > 
> > there is an entry entitled "SKBs are too large", it lists
> > our exact plans.
> 
> You could add my proposal if you agree. 

It could only be legal to move things into ->cb[] if they are
only referenced before the protocols get their hands on it.
It certainly looks to be the case for tc_*, although HIPPI
I am less sure of.

I also have the idea to move ->real_dev into ->cb[] so that
the bonding driver, the only user of skb->real_dev, can
maintain the pointer there.  So we'd need to be careful
that there is agreement on how the pre-protocol ->cb[]
area is layed out to avoid conflict.
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