--- old/src/os/windows/vm/os_windows.cpp	Thu Jan 19 13:25:25 2012
+++ new/src/os/windows/vm/os_windows.cpp	Thu Jan 19 13:25:22 2012
@@ -3296,7 +3296,7 @@
 // so we compress Java's ten down to seven.  It would be better
 // if we dynamically adjusted relative priorities.
 
-int os::java_to_os_priority[MaxPriority + 1] = {
+int os::java_to_os_priority[CriticalPriority + 1] = {
   THREAD_PRIORITY_IDLE,                         // 0  Entry should never be used
   THREAD_PRIORITY_LOWEST,                       // 1  MinPriority
   THREAD_PRIORITY_LOWEST,                       // 2
@@ -3308,9 +3308,10 @@
   THREAD_PRIORITY_ABOVE_NORMAL,                 // 8
   THREAD_PRIORITY_HIGHEST,                      // 9  NearMaxPriority
   THREAD_PRIORITY_HIGHEST                       // 10 MaxPriority
+  THREAD_PRIORITY_HIGHEST                       // 11 CriticalPriority
 };
 
-int prio_policy1[MaxPriority + 1] = {
+int prio_policy1[CriticalPriority + 1] = {
   THREAD_PRIORITY_IDLE,                         // 0  Entry should never be used
   THREAD_PRIORITY_LOWEST,                       // 1  MinPriority
   THREAD_PRIORITY_LOWEST,                       // 2
@@ -3322,6 +3323,7 @@
   THREAD_PRIORITY_HIGHEST,                      // 8
   THREAD_PRIORITY_HIGHEST,                      // 9  NearMaxPriority
   THREAD_PRIORITY_TIME_CRITICAL                 // 10 MaxPriority
+  THREAD_PRIORITY_TIME_CRITICAL                 // 11 CriticalPriority
 };
 
 static int prio_init() {