src/share/vm/gc/g1/g1CollectedHeap.hpp

@@ -784,10 +784,16 @@
   // Insert any required filler objects in the G1 regions around the specified
   // ranges to make the regions parseable. This must be called after
   // alloc_archive_regions, and after class loading has occurred.
   void fill_archive_regions(MemRegion* range, size_t count);
 
+  // For each of the specified MemRegions, free the containing G1 regions 
+  // which had been allocated by alloc_archive_regions. This should be called
+  // rather than fill_archive_regions at JVM init time if the archive file 
+  // mapping failed.
+  void free_archive_regions(MemRegion* range, size_t count);
+
 protected:
 
   // Shrink the garbage-first heap by at most the given size (in bytes!).
   // (Rounds down to a HeapRegion boundary.)
   virtual void shrink(size_t expand_bytes);