Arnd Bergmann wrote: > > Another driver you might want to look at is the Xen balloon driver: > http://81.161.245.2/lxr/http/source/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c > > The s390 driver is probably a better example though. One thing the > Xen one got wrong is that its interface requires you do an hcall in > order to get back a page that you gave up to the host.
Er, that's what we do :) > On s390, it > simply maps the host empty_zero_page as COW into the guest like > the initial memory, so you get a new page back with the regular > method whenever you write to the guest real page. > This has the advantage of surviving a guest reboot, but the disadvantage of not allowing the host to nack the request. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
