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

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Date:	Tue, 27 Mar 2007 20:07:50 -0300
From:	"Arnaldo Carvalho de Melo" <acme@...stprotocols.net>
To:	"David Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] [SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

On 3/27/07, David Miller <davem@...emloft.net> wrote:
> 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.

Okay, Hairaru is this way:

master.kernel.org:/pub/scm/linux/kernel/git/acme/net-2.6.22

:-)

- Arnaldo
-
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