--- old/src/hotspot/share/gc/g1/g1RemSet.cpp	2017-11-03 14:44:13.128208749 +0100
+++ new/src/hotspot/share/gc/g1/g1RemSet.cpp	2017-11-03 14:44:12.740196791 +0100
@@ -23,10 +23,10 @@
  */
 
 #include "precompiled.hpp"
-#include "gc/g1/concurrentG1Refine.hpp"
 #include "gc/g1/dirtyCardQueue.hpp"
 #include "gc/g1/g1BlockOffsetTable.inline.hpp"
 #include "gc/g1/g1CollectedHeap.inline.hpp"
+#include "gc/g1/g1ConcurrentRefine.hpp"
 #include "gc/g1/g1FromCardCache.hpp"
 #include "gc/g1/g1GCPhaseTimes.hpp"
 #include "gc/g1/g1HotCardCache.hpp"
@@ -298,7 +298,7 @@
 }
 
 uint G1RemSet::num_par_rem_sets() {
-  return MAX2(DirtyCardQueueSet::num_par_ids() + ConcurrentG1Refine::thread_num(), ParallelGCThreads);
+  return MAX2(DirtyCardQueueSet::num_par_ids() + G1ConcurrentRefine::thread_num(), ParallelGCThreads);
 }
 
 void G1RemSet::initialize(size_t capacity, uint max_regions) {