netdev - Re: [PATCH 2/2] [SK_BUFF]: Introduce skb_copy_from_linear_data{

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Message-Id: <20070327.153109.91000136.davem@davemloft.net>
Date:	Tue, 27 Mar 2007 15:31:09 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	acme@...stprotocols.net
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] [SK_BUFF]: Introduce
 skb_copy_from_linear_data{_offset}

From: "Arnaldo Carvalho de Melo" <acme@...stprotocols.net>
Date: Tue, 27 Mar 2007 18:56:11 -0300

> On 3/27/07, David Miller <davem@...emloft.net> wrote:
> > From: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
> > Date: Tue, 27 Mar 2007 16:41:48 -0300
> >
> > > +static inline void skb_move_linear_data(const struct sk_buff *skb,
> > > +                                     const int from_offset,
> > > +                                     const int to_offset,
> > > +                                     const unsigned int len)
> > > +{
> > > +     memcpy(skb->data + to_offset, skb->data + from_offset, len);
> > > +}
> > > +
> >
> > What do you intend to use this for?  There are no users in
> > your patch, and I'd be fearful of overlapping cases (which
> > ought to be common for anything using this) which therefore
> > would require use of memmove() instead of memcpy().
> >
> > How about we just leave out interfaces until we have a use
> > case?
> 
> It should be ok now, please take a look in a throwaway branch to make
> sure, sorry for the disturbance.

Where should I pull from?  Please always specify this, I delete
old emails from a thread when I expect a resubmit, so I don't
even know the original URL.  THanks.
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