--- old/src/share/vm/gc/g1/g1CollectedHeap.cpp 2015-12-21 12:23:22.616133401 +0100 +++ new/src/share/vm/gc/g1/g1CollectedHeap.cpp 2015-12-21 12:23:22.522130613 +0100 @@ -1936,7 +1936,7 @@ const uint max_region_idx = (1U << (sizeof(RegionIdx_t)*BitsPerByte-1)) - 1; guarantee((max_regions() - 1) <= max_region_idx, "too many regions"); - G1RemSet::init_heap(max_regions()); + G1RemSet::initialize(max_regions()); size_t max_cards_per_region = ((size_t)1 << (sizeof(CardIdx_t)*BitsPerByte-1)) - 1; guarantee(HeapRegion::CardsPerRegion > 0, "make sure it's initialized");