ACPI: MRRM: Minimal parse of ACPI MRRM table

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The resctrl file system code needs to know how many region tags
are supported. Parse the ACPI MRRM table and save the max_mem_region
value.

Provide a function for resctrl to collect that value.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20250505173819.419271-2-tony.luck@intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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Tony Luck 2025-05-05 10:38:17 -07:00 • committed by Rafael J. Wysocki

parent fec2686d4d

commit b9020bdb9f

5 changed files with 56 additions and 0 deletions

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1

arch/x86/Kconfig

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3

drivers/acpi/Kconfig

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1

drivers/acpi/Makefile

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42

drivers/acpi/acpi_mrrm.c

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9

include/linux/acpi.h

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