Michael S. Tsirkin wrote:
Rusty, I think this is what you did in your patch from 2008 to add destructor for skb data ( http://kerneltrap.org/mailarchive/linux-netdev/2008/4/18/1464944 ): and it seems that it would make zero-copy possible - or was there some problem with that approach? Do you happen to remember?
I'm planning on resurrecting it to replace the page destructor used by Xen netback.
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