On Wed, Apr 17, 2019 at 11:13:10AM -0700, Alison Schofield wrote: > ACPI 6.3 changed the subtable "Memory Subsystem Address Range Structure" > to "Memory Proximity Domain Attributes Structure". > > Updating and renaming of the structure was included in commit: > ACPICA: ACPI 6.3: HMAT updates (9a8d961f1ef835b0d338fbe13da03cb424e87ae5) I was not really happy with that HMAT update. Platforms implementing 6.2's HMAT continue to exist even if 6.3 isn't backward compatible. We just lost the original subtable definition.