Memory hotplug

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Ubuntu 22.04 LTS LPAR mode z/VM guest

You can dynamically increase or decrease the memory for your running Linux® instance.

To make memory available as hotplug memory, you must define it to your LPAR or z/VM®. Hotplug memory is supported by z/VM 5.4 with the PTF for APAR VM64524 and by later z/VM versions.

For more information about memory hotplug, see linux-doc/memory-hotplug.txt.gz in the linux-doc package.