Indicates the amount of memory that is currently available to the logical partitions on this managed system that use dedicated memory, also known as dedicated memory partitions. This is the amount of active memory on your managed system minus the following amounts of memory:
When you create a dedicated memory partition, the managed system reserves an amount of memory to manage the dedicated memory partition. Therefore, the amount in this field decreases for each additional dedicated memory partition you create.
You can increase this amount by activating any inactive memory on your managed system through Capacity on Demand.