src/hotspot/share/gc/cms/parNewGeneration.cpp

rev 49912 : imported patch 8201492-properly-implement-non-contiguous-reference-processing
rev 49913 : imported patch 8201492-stefanj-review
rev 49914 : [mq]: 8201492-kim-review

@@ -1469,12 +1469,13 @@
 #undef BUSY
 
 void ParNewGeneration::ref_processor_init() {
   if (_ref_processor == NULL) {
     // Allocate and initialize a reference processor
+    _span_based_discoverer.set_span(_reserved);
     _ref_processor =
-      new ReferenceProcessor(_reserved,                  // span
+      new ReferenceProcessor(&_span_based_discoverer,    // span
                              ParallelRefProcEnabled && (ParallelGCThreads > 1), // mt processing
                              ParallelGCThreads,          // mt processing degree
                              refs_discovery_is_mt(),     // mt discovery
                              ParallelGCThreads,          // mt discovery degree
                              refs_discovery_is_atomic(), // atomic_discovery