--- a/hotspot/src/share/vm/gc/g1/g1Allocator.cpp	Thu Aug 06 19:52:54 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1Allocator.cpp	Fri Aug 07 15:37:07 2015 +0200
@@ -67,11 +67,11 @@
     // retired. We have to remove it now, since we don't allow regions
     // we allocate to in the region sets. We'll re-add it later, when
     // it's retired again.
-    _g1h->_old_set.remove(retained_region);
+    _g1h->old_set_remove(retained_region);
     bool during_im = _g1h->collector_state()->during_initial_mark_pause();
     retained_region->note_start_of_copying(during_im);
     old->set(retained_region);
-    _g1h->_hr_printer.reuse(retained_region);
+    _g1h->hr_printer()->reuse(retained_region);
     evacuation_info.set_alloc_regions_used_before(retained_region->used());
   }
 }
@@ -264,8 +264,8 @@
   }
   assert(hr->is_empty(), err_msg("expected empty region (index %u)", hr->hrm_index()));
   hr->set_archive();
-  _g1h->_old_set.add(hr);
-  _g1h->_hr_printer.alloc(hr, G1HRPrinter::Archive);
+  _g1h->old_set_add(hr);
+  _g1h->hr_printer()->alloc(hr, G1HRPrinter::Archive);
   _allocated_regions.append(hr);
   _allocation_region = hr;
 

--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp	Thu Aug 06 19:52:54 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp	Fri Aug 07 15:37:07 2015 +0200
@@ -6495,7 +6495,6 @@
   return NULL;
 }
 
-
 // Heap region set verification
 
 class VerifyRegionListsClosure : public HeapRegionClosure {

--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.hpp	Thu Aug 06 19:52:54 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.hpp	Fri Aug 07 15:37:07 2015 +0200
@@ -186,8 +186,6 @@
   friend class MutatorAllocRegion;
   friend class SurvivorGCAllocRegion;
   friend class OldGCAllocRegion;
-  friend class G1Allocator;
-  friend class G1ArchiveAllocator;
 
   // Closures used in implementation.
   friend class G1ParScanThreadState;
@@ -534,12 +532,6 @@
                                             AllocationContext_t context,
                                             bool expect_null_mutator_alloc_region);
 
-  // It dirties the cards that cover the block so that so that the post
-  // write barrier never queues anything when updating objects on this
-  // block. It is assumed (and in fact we assert) that the block
-  // belongs to a young region.
-  inline void dirty_young_block(HeapWord* start, size_t word_size);
-
   // These methods are the "callbacks" from the G1AllocRegion class.
 
   // For mutator alloc regions.
@@ -553,10 +545,6 @@
   void retire_gc_alloc_region(HeapRegion* alloc_region,
                               size_t allocated_bytes, InCSetState dest);
 
-  // Allocate the highest free region in the reserved heap. This will commit
-  // regions as necessary.
-  HeapRegion* alloc_highest_free_region();
-
   // - if explicit_gc is true, the GC is for a System.gc() or a heap
   //   inspection request and should collect the entire heap
   // - if clear_all_soft_refs is true, all soft references should be
@@ -692,6 +680,10 @@
   // Allocates a new heap region instance.
   HeapRegion* new_heap_region(uint hrs_index, MemRegion mr);
 
+  // Allocate the highest free region in the reserved heap. This will commit
+  // regions as necessary.
+  HeapRegion* alloc_highest_free_region();
+
   // Frees a non-humongous region by initializing its contents and
   // adding it to the free list that's passed as a parameter (this is
   // usually a local list which will be appended to the master free
@@ -705,6 +697,12 @@
                    bool par,
                    bool locked = false);
 
+  // It dirties the cards that cover the block so that the post
+  // write barrier never queues anything when updating objects on this
+  // block. It is assumed (and in fact we assert) that the block
+  // belongs to a young region.
+  inline void dirty_young_block(HeapWord* start, size_t word_size);
+
   // Frees a humongous region by collapsing it into individual regions
   // and calling free_region() for each of them. The freed regions
   // will be added to the free list that's passed as a parameter (this
@@ -1183,6 +1181,7 @@
     }
   }
 
+  inline void old_set_add(HeapRegion* hr);
   inline void old_set_remove(HeapRegion* hr);
 
   size_t non_young_capacity_bytes() {

--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.inline.hpp	Thu Aug 06 19:52:54 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.inline.hpp	Fri Aug 07 15:37:07 2015 +0200
@@ -107,6 +107,10 @@
   OrderAccess::fence();
 }
 
+inline void G1CollectedHeap::old_set_add(HeapRegion* hr) {
+  _old_set.add(hr);
+}
+
 inline void G1CollectedHeap::old_set_remove(HeapRegion* hr) {
   _old_set.remove(hr);
 }