diff -r 1bba15125d8d -r a70d45c06136 hotspot/src/share/vm/gc/g1/heapRegionManager.hpp
--- a/hotspot/src/share/vm/gc/g1/heapRegionManager.hpp	Fri Jun 12 17:29:14 2015 -0400
+++ b/hotspot/src/share/vm/gc/g1/heapRegionManager.hpp	Fri Jun 12 19:49:54 2015 -0400
@@ -221,6 +221,16 @@
 
   HeapRegion* next_region_in_heap(const HeapRegion* r) const;
 
+  // Find the highest free or uncommitted region in the reserved heap,
+  // and if uncommitted, commit it. If none are available, return G1_NO_HRM_INDEX.
+  // Set the 'expanded' boolean true if a new region was committed.
+  uint find_highest_free(bool* expanded);
+
+  // Allocate the regions that contain the address range specified, committing the
+  // regions if necessary. Return false if any of the regions is already committed
+  // and not free, and return the number of regions newly committed in commit_count.
+  bool allocate_containing_regions(MemRegion range, size_t* commit_count);
+
   // Apply blk->doHeapRegion() on all committed regions in address order,
   // terminating the iteration early if doHeapRegion() returns true.
   void iterate(HeapRegionClosure* blk) const;