Select Y if unsure
+config NVDIMM_DAX
+ bool "NVDIMM DAX: Raw access to persistent memory"
+ default LIBNVDIMM
+ depends on NVDIMM_PFN
+ help
+ Support raw device dax access to a persistent memory
+ namespace. For environments that want to hard partition
+ peristent memory, this capability provides a mechanism to
+ sub-divide a namespace into character devices that can only be
+ accessed via DAX (mmap(2)).
+
+ Select Y if unsure
+
endif