diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 8c5dde628405a8b6900daaaa03bb070b3685804c..09b05f720b2595194a45e1bf27168e6658425615 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -3831,7 +3831,7 @@ static __init int nfit_init(void)
 	int ret;
 
 	BUILD_BUG_ON(sizeof(struct acpi_table_nfit) != 40);
-	BUILD_BUG_ON(sizeof(struct acpi_nfit_system_address) != 56);
+	BUILD_BUG_ON(sizeof(struct acpi_nfit_system_address) != 64);
 	BUILD_BUG_ON(sizeof(struct acpi_nfit_memory_map) != 48);
 	BUILD_BUG_ON(sizeof(struct acpi_nfit_interleave) != 20);
 	BUILD_BUG_ON(sizeof(struct acpi_nfit_smbios) != 9);
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 32467a7133c9e0ff9b9f5ed260cfd9b222160b15..31ed30208c8ab851658633506091b9bb44728aa7 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -1008,12 +1008,14 @@ struct acpi_nfit_system_address {
 	u64 address;
 	u64 length;
 	u64 memory_mapping;
+	u64 location_cookie;	/* ACPI 6.4 */
 };
 
 /* Flags */
 
 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
+#define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
 
 /* Range Type GUIDs appear in the include/acuuid.h file */