--- a/hotspot/src/share/vm/gc_implementation/shared/parGCAllocBuffer.hpp	Wed Oct 03 20:31:41 2012 +0200
+++ b/hotspot/src/share/vm/gc_implementation/shared/parGCAllocBuffer.hpp	Thu Oct 04 10:04:13 2012 -0700
@@ -204,7 +204,8 @@
     return _desired_plab_sz;
   }
 
-  void adjust_desired_plab_sz(); // filter computation, latches output to
+  void adjust_desired_plab_sz(uint no_of_gc_workers);
+                                 // filter computation, latches output to
                                  // _desired_plab_sz, clears sensor accumulators
 
   void add_allocated(size_t v) {