391         _cm->cleanup_for_next_mark();

   391         _cm->cleanup_for_next_mark();

   392       }

   392       }

   393     }

   393     }

   394 

   394 

   395     // Update the number of full collections that have been

   395     // Update the number of full collections that have been

   397     // Java thread is waiting for a full GC to happen (e.g., it

   397     // Java thread is waiting for a full GC to happen (e.g., it

   398     // called System.gc() with +ExplicitGCInvokesConcurrent).

   398     // called System.gc() with +ExplicitGCInvokesConcurrent).

   399     {

   399     {

   400       SuspendibleThreadSetJoiner sts_join;

   400       SuspendibleThreadSetJoiner sts_join;

   401       g1h->increment_old_marking_cycles_completed(true /* concurrent */);

   401       g1h->increment_old_marking_cycles_completed(true /* concurrent */);