--- old/src/share/vm/gc/g1/heapRegionRemSet.cpp	2017-06-14 14:51:55.078541985 +0200
+++ new/src/share/vm/gc/g1/heapRegionRemSet.cpp	2017-06-14 14:51:54.949538048 +0200
@@ -69,7 +69,7 @@
   PerRegionTable(HeapRegion* hr) :
     _hr(hr),
     _occupied(0),
-    _bm(HeapRegion::CardsPerRegion),
+    _bm(HeapRegion::CardsPerRegion, mtGC),
     _collision_list_next(NULL), _next(NULL), _prev(NULL)
   {}
 
@@ -259,7 +259,7 @@
 OtherRegionsTable::OtherRegionsTable(HeapRegion* hr, Mutex* m) :
   _g1h(G1CollectedHeap::heap()),
   _hr(hr), _m(m),
-  _coarse_map(G1CollectedHeap::heap()->max_regions()),
+  _coarse_map(G1CollectedHeap::heap()->max_regions(), mtGC),
   _fine_grain_regions(NULL),
   _first_all_fine_prts(NULL), _last_all_fine_prts(NULL),
   _n_fine_entries(0), _n_coarse_entries(0),