[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [patch 6/6] netif_release_rx_bufs
On 18/8/06 12:34 pm, "Gerd Hoffmann" <kraxel@xxxxxxx> wrote: > 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 ... Best bet is to free the page to the balloon driver, and then set nr_frags to zero. This is perfectly valid -- it was netfront that set it to non-zero in the first place. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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