src/share/vm/gc/shared/collectedHeap.hpp

@@ -99,11 +99,10 @@
   MemRegion _reserved;
 
  protected:
   BarrierSet* _barrier_set;
   bool _is_gc_active;
-  uint _n_par_threads;
 
   unsigned int _total_collections;          // ... started
   unsigned int _total_full_collections;     // ... started
   NOT_PRODUCT(volatile size_t _promotion_failure_alot_count;)
   NOT_PRODUCT(volatile size_t _promotion_failure_alot_gc_number;)

@@ -289,15 +288,12 @@
      }
     _gc_cause = v;
   }
   GCCause::Cause gc_cause() { return _gc_cause; }
 
-  // Number of threads currently working on GC tasks.
-  uint n_par_threads() { return _n_par_threads; }
-
   // May be overridden to set additional parallelism.
-  virtual void set_par_threads(uint t) { _n_par_threads = t; };
+  virtual void set_par_threads(uint t) { (void)t; };
 
   // General obj/array allocation facilities.
   inline static oop obj_allocate(KlassHandle klass, int size, TRAPS);
   inline static oop array_allocate(KlassHandle klass, int size, int length, TRAPS);
   inline static oop array_allocate_nozero(KlassHandle klass, int size, int length, TRAPS);