6.3.2.5 Unused Address Ranges

The last of the memory summaries show the memory that has not been allocated and is still available for use.

This section follows the heading:

UNUSED ADDRESS RANGES

and is followed by a list of classes and the memory that is still available in each class. If there is more than one memory range available in a class, each range is printed on a separate line. Any paging boundaries located within a class are not displayed. But the column Largest block shows the largest contiguous free space (which takes into account any paging in the memory range). If you are looking to see why psects cannot be placed into memory (e.g., cant-find-space type errors) then this is important information to study.

Note that memory can be part of more than one class, thus the total free space is not simply the addition of all the unused ranges.