[PATCH v2 12/20] libnd, nd_acpi: add interleave-set state-tracking infrastructure

On platforms that have firmware support for reading/writing per-dimm label space, a portion of the dimm may be accessible via an interleave set PMEM mapping in addition to the dimm's BLK (block-data-window aperture(s)) interface. A label, stored in a "configuration data region" on the dimm,

[PATCH v2 12/20] libnd, nd_acpi: add interleave-set state-tracking infrastructure

On platforms that have firmware support for reading/writing per-dimm label space, a portion of the dimm may be accessible via an interleave set PMEM mapping in addition to the dimm's BLK (block-data-window aperture(s)) interface. A label, stored in a configuration data region on the dimm,