src/hotspot/share/gc/shared/generation.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

@@ -75,11 +75,12 @@
 // By default we get a single threaded default reference processor;
 // generations needing multi-threaded refs processing or discovery override this method.
 void Generation::ref_processor_init() {
   assert(_ref_processor == NULL, "a reference processor already exists");
   assert(!_reserved.is_empty(), "empty generation?");
-  _ref_processor = new ReferenceProcessor(_reserved);    // a vanilla reference processor
+  _span_based_discoverer.set_span(_reserved);
+  _ref_processor = new ReferenceProcessor(&_span_based_discoverer);    // a vanilla reference processor
   if (_ref_processor == NULL) {
     vm_exit_during_initialization("Could not allocate ReferenceProcessor object");
   }
 }