> >For example, lets says you are running several guests, and would like > to > >start yet another one for a while - but have no free memory left. > > > > We have another solution for it that will soon be pushed into the > kernel: > It is the balloon driver solution. > Each guest runs a balloon driver, when the host needs to free up memory > a daemon with certain policy asks some of the guests to inflate their > balloon, > KVM frees their ballooned pages and the host free memory increases. > When the memory pressure relives, the balloons get deflate command.
You probably want to have a look at arch/s390/mm/cmm.c which is exactly doing what you want. Of course the message interface to the hypervisor is different to what you want to do. ------------------------------------------------------------------------- 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
