This monitoring message reports the memory usage below the 16-MB line of the PowerExchange Listener address space on z/OS. The message reports the memory limit and the amount of memory that is in use and that is free, as of the time when the monitoring statistics were generated. The message is part of the listener report that is generated in response to a DISPLAYSTATS or DISPLAYSTATS LISTENER command or based on the MONITOR interval in the STATS statement of the DBMOVER file.