linux-kernel - [PATCH v1 17/26] ACPICA: actbl3.h: ACPI 6.6: SRAT: New flag in Memory Affinity Structure

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Message-ID: <3868802.MHq7AAxBmi@rafael.j.wysocki>
Date: Wed, 14 Jan 2026 13:31:59 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
 "Dumbre, Saket" <saket.dumbre@...el.com>
Subject:
 [PATCH v1 17/26] ACPICA: actbl3.h: ACPI 6.6: SRAT: New flag in Memory
 Affinity Structure

From: Pawel Chmielewski <pawel.chmielewski@...el.com>

ACPI 6.6 introduces Specific-Purpose flag to Memory Affinity structure.

Link: https://github.com/acpica/acpica/commit/cfce3b689b5e
Signed-off-by: Pawel Chmielewski <pawel.chmielewski@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 include/acpi/actbl3.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index 79d3aa5a4bad..7ca456e88377 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -238,6 +238,7 @@ struct acpi_srat_mem_affinity {
 #define ACPI_SRAT_MEM_ENABLED       (1)	/* 00: Use affinity structure */
 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)	/* 01: Memory region is hot pluggable */
 #define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)	/* 02: Memory region is non-volatile */
+#define ACPI_SRAT_MEM_SPEC_PURPOSE  (1<<3)	/* 03: Memory is intended for specific-purpose usage */

 /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */

-- 
2.51.0