--- old/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	2015-03-26 12:07:04.081783809 +0300
+++ new/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	2015-03-26 12:07:03.909697818 +0300
@@ -310,7 +310,7 @@
   inline ParScanThreadState& thread_state(int i);
 
   void trace_promotion_failed(const YoungGCTracer* gc_tracer);
-  void reset(int active_workers, bool promotion_failed);
+  void reset(uint active_workers, bool promotion_failed);
   void flush();
 
   #if TASKQUEUE_STATS
@@ -367,7 +367,7 @@
   }
 }
 
-void ParScanThreadStateSet::reset(int active_threads, bool promotion_failed)
+void ParScanThreadStateSet::reset(uint active_threads, bool promotion_failed)
 {
   _term.reset_for_reuse(active_threads);
   if (promotion_failed) {
@@ -585,7 +585,7 @@
 
 // Reset the terminator for the given number of
 // active threads.
-void ParNewGenTask::set_for_termination(int active_workers) {
+void ParNewGenTask::set_for_termination(uint active_workers) {
   _state_set->reset(active_workers, _gen->promotion_failed());
   // Should the heap be passed in?  There's only 1 for now so
   // grab it instead.
@@ -770,7 +770,7 @@
 
 private:
   virtual void work(uint worker_id);
-  virtual void set_for_termination(int active_workers) {
+  virtual void set_for_termination(uint active_workers) {
     _state_set.terminator()->reset_for_reuse(active_workers);
   }
 private:
@@ -920,7 +920,7 @@
   AdaptiveSizePolicy* size_policy = gch->gen_policy()->size_policy();
   FlexibleWorkGang* workers = gch->workers();
   assert(workers != NULL, "Need workgang for parallel work");
-  int active_workers =
+  uint active_workers =
       AdaptiveSizePolicy::calc_active_workers(workers->total_workers(),
                                    workers->active_workers(),
                                    Threads::number_of_non_daemon_threads());
@@ -957,7 +957,7 @@
 
   gch->save_marks();
   assert(workers != NULL, "Need parallel worker threads.");
-  int n_workers = active_workers;
+  uint n_workers = active_workers;
 
   // Set the correct parallelism (number of queues) in the reference processor
   ref_processor()->set_active_mt_degree(n_workers);