For more info, refer to Section 2.4:
It would also be good to mention memory thresholds along with the notification API.
(In reply to comment #1)
> It would also be good to mention memory thresholds along with the
> notification API.
Actually, scratch that. Memory thresholds are not yet implemented in the kernel shipped with the latest rhel6. The notification API is currently only capable of monitoring the oom_control file.