Support for virtio pmem driver

modulename: virtio_pmem.ko

configname: CONFIG_VIRTIO_PMEM

Linux Kernel Configuration
└─>Device Drivers
└─>Virtio drivers
└─>Support for virtio pmem driver
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This driver provides access to virtio-pmem devices, storage devices
that are mapped into the physical address space - similar to NVDIMMs
- with a virtio-based flushing interface.

If unsure, say Y.

source code: