diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 08eafec..f48b9ee 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20051117
+#define ACPI_CA_VERSION                 0x20051202
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
@@ -110,6 +110,10 @@
 
 #define ACPI_SYSMEM_REGION_WINDOW_SIZE  4096
 
+/* owner_id tracking. 8 entries allows for 255 owner_ids */
+
+#define ACPI_NUM_OWNERID_MASKS          8
+
 /******************************************************************************
  *
  * ACPI Specification constants (Do not change unless the specification changes)