-#define ACPI_MTX_EXECUTE 0
-#define ACPI_MTX_INTERPRETER 1
-#define ACPI_MTX_PARSER 2
-#define ACPI_MTX_DISPATCHER 3
-#define ACPI_MTX_TABLES 4
-#define ACPI_MTX_OP_REGIONS 5
-#define ACPI_MTX_NAMESPACE 6
-#define ACPI_MTX_EVENTS 7
-#define ACPI_MTX_HARDWARE 8
-#define ACPI_MTX_CACHES 9
-#define ACPI_MTX_MEMORY 10
-#define ACPI_MTX_DEBUG_CMD_COMPLETE 11
-#define ACPI_MTX_DEBUG_CMD_READY 12
-
-#define MAX_MUTEX 12
-#define NUM_MUTEX MAX_MUTEX+1
+#define ACPI_MTX_INTERPRETER 0 /* AML Interpreter, main lock */
+#define ACPI_MTX_TABLES 1 /* Data for ACPI tables */
+#define ACPI_MTX_NAMESPACE 2 /* ACPI Namespace */
+#define ACPI_MTX_EVENTS 3 /* Data for ACPI events */
+#define ACPI_MTX_CACHES 4 /* Internal caches, general purposes */
+#define ACPI_MTX_MEMORY 5 /* Debug memory tracking lists */
+#define ACPI_MTX_DEBUG_CMD_COMPLETE 6 /* AML debugger */
+#define ACPI_MTX_DEBUG_CMD_READY 7 /* AML debugger */
+
+#define ACPI_MAX_MUTEX 7
+#define ACPI_NUM_MUTEX ACPI_MAX_MUTEX+1