diff -r 4e2bff1a5467 -r b0c9cb06506b hotspot/src/share/vm/gc/g1/heapRegionRemSet.cpp
--- a/hotspot/src/share/vm/gc/g1/heapRegionRemSet.cpp	Mon May 02 12:14:26 2016 -0400
+++ b/hotspot/src/share/vm/gc/g1/heapRegionRemSet.cpp	Tue May 03 22:45:27 2016 +0200
@@ -43,7 +43,7 @@
   friend class HeapRegionRemSetIterator;
 
   HeapRegion*     _hr;
-  BitMap          _bm;
+  CHeapBitMap     _bm;
   jint            _occupied;
 
   // next pointer for free/allocated 'all' list
@@ -69,7 +69,7 @@
   PerRegionTable(HeapRegion* hr) :
     _hr(hr),
     _occupied(0),
-    _bm(HeapRegion::CardsPerRegion, false /* in-resource-area */),
+    _bm(HeapRegion::CardsPerRegion),
     _collision_list_next(NULL), _next(NULL), _prev(NULL)
   {}
 
@@ -259,8 +259,7 @@
 OtherRegionsTable::OtherRegionsTable(HeapRegion* hr, Mutex* m) :
   _g1h(G1CollectedHeap::heap()),
   _hr(hr), _m(m),
-  _coarse_map(G1CollectedHeap::heap()->max_regions(),
-              false /* in-resource-area */),
+  _coarse_map(G1CollectedHeap::heap()->max_regions()),
   _fine_grain_regions(NULL),
   _first_all_fine_prts(NULL), _last_all_fine_prts(NULL),
   _n_fine_entries(0), _n_coarse_entries(0),