src/share/vm/runtime/mutexLocker.cpp

rev 7695 : 8069273: Reduce Hot Card Cache Lock contention
Reviewed-by: tschatzl

*** 118,128 ****
  Mutex*   FreeList_lock                = NULL;
  Monitor* SecondaryFreeList_lock       = NULL;
  Mutex*   OldSets_lock                 = NULL;
  Monitor* RootRegionScan_lock          = NULL;
  Mutex*   MMUTracker_lock              = NULL;
- Mutex*   HotCardCache_lock            = NULL;
  
  Monitor* GCTaskManager_lock           = NULL;
  
  Mutex*   Management_lock              = NULL;
  Monitor* Service_lock                 = NULL;
--- 118,127 ----
*** 197,207 ****
      def(FreeList_lock              , Mutex,   leaf     ,   true,  Monitor::_safepoint_check_never);
      def(SecondaryFreeList_lock     , Monitor, leaf     ,   true,  Monitor::_safepoint_check_never);
      def(OldSets_lock               , Mutex  , leaf     ,   true,  Monitor::_safepoint_check_never);
      def(RootRegionScan_lock        , Monitor, leaf     ,   true,  Monitor::_safepoint_check_never);
      def(MMUTracker_lock            , Mutex  , leaf     ,   true,  Monitor::_safepoint_check_never);
-     def(HotCardCache_lock          , Mutex  , special  ,   true,  Monitor::_safepoint_check_never);
      def(EvacFailureStack_lock      , Mutex  , nonleaf  ,   true,  Monitor::_safepoint_check_never);
  
      def(StringDedupQueue_lock      , Monitor, leaf,        true,  Monitor::_safepoint_check_never);
      def(StringDedupTable_lock      , Mutex  , leaf,        true,  Monitor::_safepoint_check_never);
    }
--- 196,205 ----