Implement memory ballooning in kvm
Implement memory ballooning in kvm

Signed-off-by: Guido Trotter <f62ca4d5358bdaeef0e50e57f9f7e231de63727e@google.com>
Reviewed-by: René Nussbaumer <bc755ac45a0e799d1d490cba76febc56d80cc5fc@google.com>

andir/ganeti,grnet/snf-ganeti,bitemyapp/ganeti,andir/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,apyrgio/snf-ganeti,onponomarev/ganeti,bitemyapp/ganeti,mbakke/ganeti,onponomarev/ganeti,grnet/snf-ganeti,leshchevds/ganeti,andir/ganeti,yiannist/ganeti,dimara/ganeti,mbakke/ganeti,leshchevds/ganeti,apyrgio/ganeti,apyrgio/snf-ganeti,yiannist/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,ganeti/ganeti,apyrgio/ganeti,yiannist/ganeti,ganeti/ganeti,mbakke/ganeti,leshchevds/ganeti