non-standard OEM-specific E820 memory type (type-12, see
CONFIG_X86_PMEM_LEGACY), or it is manually specified by the
'memmap=nn[KMG]!ss[KMG]' kernel command line (see
- Documentation/kernel-parameters.txt). This driver converts
+ Documentation/admin-guide/kernel-parameters.rst). This driver converts
these persistent memory ranges into block devices that are
capable of DAX (direct-access) file system mappings. See
Documentation/nvdimm/nvdimm.txt for more details.