From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gerd Hoffmann <kraxel@suse.de>
Subject: Re: [patch 6/6] netif_release_rx_bufs
Date: Fri, 18 Aug 2006 13:34:25 +0200
Message-ID: <44E5A5C1.7080703@suse.de>
References: <C10B3ECB.10D9%Keir.Fraser@cl.cam.ac.uk>
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To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
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Keir Fraser wrote:
> You've given up the original mfns at this point, to ensure you have enough
> reservation headroom for the transfer. You'll be wanting to give the 'empty
> mfn' to the balloon driver, which can simply stick the page on its
> ballooned-out list. You might need to add a new API function to balloon
> driver to do this.

Passing the page to the balloon driver works ok, but then I have trouble
releasing the skb because shinfo(skb)->frags[0].page isn't valid any
more.  Guess I better aquire a page from xen in netfront instead of
letting the ballon driver do that ...

cheers,
  Gerd

-- 
Gerd Hoffmann <kraxel@suse.de>
http://www.suse.de/~kraxel/julika-dora.jpeg