--- old/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp	2010-03-10 14:49:34.000000000 -0800
+++ new/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp	2010-03-10 14:49:33.000000000 -0800
@@ -242,6 +242,9 @@
   // Mangle the unused parts of all spaces in the heap
   void gen_mangle_unused_area() PRODUCT_RETURN;
 
+  // Try to shrink the heap based on the free ratio
+  bool try_to_shrink_by_free_ratio(bool isFullGC);
+
   // Call these in sequential code around the processing of strong roots.
   class ParStrongRootsScope : public MarkingCodeBlobClosure::MarkScope {
   public: