In accordance with embodiments of the present disclosure, an information handling system may include a memory subsystem and a processor subsystem communicatively coupled to the memory subsystem and configured to execute a hypervisor, wherein the hypervisor is configured to host a plurality of virtual machines and host an interface to the memory subsystem, wherein the interface is configured to dynamically modify sizes of namespaces instantiated within the memory subsystem by maintaining super metadata associated with each of a plurality of memory modules of the memory subsystem, wherein the super metadata for a particular memory module of the memory subsystem includes one or more entries for the particular memory module, each entry defining a namespace of the particular memory module and recording an offset of the latest written data in the namespace.