src/share/vm/gc/g1/g1RegionToSpaceMapper.cpp

@@ -109,11 +109,11 @@
                                        MemoryType type) :
     G1RegionToSpaceMapper(rs, actual_size, page_size, alloc_granularity, commit_factor, type),
     _regions_per_page((page_size * commit_factor) / alloc_granularity), _refcounts() {
 
     guarantee((page_size * commit_factor) >= alloc_granularity, "allocation granularity smaller than commit granularity");
-    _refcounts.initialize((HeapWord*)rs.base(), (HeapWord*)(rs.base() + align_size_up(rs.size(), page_size)), page_size);
+    _refcounts.initialize((HeapWord*)rs.base(), (HeapWord*)(rs.base() + align_up(rs.size(), page_size)), page_size);
   }
 
   virtual void commit_regions(uint start_idx, size_t num_regions, WorkGang* pretouch_gang) {
     size_t const NoPage = ~(size_t)0;