--- a/hotspot/src/share/vm/memory/genCollectedHeap.cpp	Wed Dec 21 07:53:53 2011 -0500
+++ b/hotspot/src/share/vm/memory/genCollectedHeap.cpp	Wed Dec 14 13:34:57 2011 -0800
@@ -703,7 +703,7 @@
   return collector_policy()->satisfy_failed_allocation(size, is_tlab);
 }
 
-void GenCollectedHeap::set_par_threads(int t) {
+void GenCollectedHeap::set_par_threads(uint t) {
   SharedHeap::set_par_threads(t);
   _gen_process_strong_tasks->set_n_threads(t);
 }