netdev - Re: [PATCH net-next 2/2] openvswitch: Use zerocopy if applicable when performing the upcall

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Message-ID: <1369421900.3301.431.camel@edumazet-glaptop>
Date:	Fri, 24 May 2013 11:58:20 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jesse Gross <jesse@...ira.com>
Cc:	Thomas Graf <tgraf@...g.ch>, netdev <netdev@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>
Subject: Re: [PATCH net-next 2/2] openvswitch: Use zerocopy if applicable
 when performing the upcall

On Fri, 2013-05-24 at 10:24 -0700, Jesse Gross wrote:

> Does this have any impact on small packets? Those are usually the
> common case (i.e. TCP SYN) and I think this is slightly less optimal
> for those.

No difference at all, small packets are copied anyway in skb->head



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