libpam-cgroup 0.37.1-1ubuntu3 (powerpc binary) in ubuntu oneiric

 Control Groups provide a mechanism for aggregating/partitioning sets of tasks,
 and all their future children, into hierarchical groups with specialized
 behaviour.
 .
 This PAM module will move a user session into an existing cgroup by attempting
 to match uid and gid against the defined cgroup rules configuration.