Comment 23 for bug 588293

David and Chris, could you please try to reproduce with the packages in
ppa:serge-hallyn/virt, which was created with the exact tree which I would
like to propose for merge into lucid-proposed? You can try it by doing
(as root):

cat >> /etc/apt/sources.list.d/serge-hallyn-virt.list << EOF
deb http://ppa.launchpad.net/serge-hallyn/virt/ubuntu lucid main
EOF

apt-get update
apt-get upgrade

I then ran
 spew -g --raw --statistics -t -v 5G foo
in two guests at the same time, while doing
 while [ 1 ]; do
  for p in `pidof kvm`; do
   grep RSS /proc/$p/status
  done
  sleep 10s
  echo
 done
on the host. Neither guest exceeded its assigned memory size with this
package on my system.

Please let me know if it fixes the memory leak for you.