From: Jeremy Fitzhardinge <jeremy@goop•org>
To: David Miller <davem@davemloft•net>
Cc: eric.dumazet@gmail•com, Ian.Campbell@citrix•com,
netdev@vger•kernel.org, xen-devel@lists•xensource.com,
rusty@rustcorp•com.au
Subject: Re: SKB paged fragment lifecycle on receive
Date: Fri, 24 Jun 2011 13:11:59 -0700 [thread overview]
Message-ID: <4E04EF8F.6070900@goop.org> (raw)
In-Reply-To: <20110624.124624.1329947216240823992.davem@davemloft.net>
On 06/24/2011 12:46 PM, David Miller wrote:
> Pages get transferred between different SKBs all the time.
>
> For example, GRO makes extensive use of this technique.
> See net/core/skbuff.c:skb_gro_receive().
>
> It is just one example.
I see, and the new skb doesn't get a destructor copied from the
original, so there'd be no second callback.
Are the pages still attached to the first skb, or are they transferred
completely?
Thanks,
J
next prev parent reply other threads:[~2011-06-24 20:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-24 15:43 SKB paged fragment lifecycle on receive Ian Campbell
2011-06-24 17:29 ` Jeremy Fitzhardinge
2011-06-24 17:56 ` Eric Dumazet
2011-06-24 18:21 ` Jeremy Fitzhardinge
2011-06-24 19:46 ` David Miller
2011-06-24 20:11 ` Jeremy Fitzhardinge [this message]
2011-06-24 20:27 ` David Miller
2011-06-25 11:58 ` Ian Campbell
2011-06-27 20:51 ` Jeremy Fitzhardinge
2011-06-28 10:25 ` Ian Campbell
2011-06-27 14:42 ` Ian Campbell
2011-06-27 22:49 ` David Miller
2011-06-28 10:24 ` Ian Campbell
2011-06-24 22:44 ` Ian Campbell
2011-06-24 22:48 ` Jeremy Fitzhardinge
2011-06-26 10:25 ` Michael S. Tsirkin
2011-06-27 9:41 ` Ian Campbell
2011-06-27 10:21 ` Michael S. Tsirkin
2011-06-27 10:54 ` Ian Campbell
2011-06-27 11:19 ` Michael S. Tsirkin
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