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

rev 49944 : imported patch 8201492-properly-implement-non-contiguous-reference-processing
rev 49945 : imported patch 8201492-stefanj-review

*** 1469,1480 ****
  #undef BUSY
  
  void ParNewGeneration::ref_processor_init() {
    if (_ref_processor == NULL) {
      // Allocate and initialize a reference processor
      _ref_processor =
!       new SpanReferenceProcessor(_reserved,                  // 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
--- 1469,1481 ----
  #undef BUSY
  
  void ParNewGeneration::ref_processor_init() {
    if (_ref_processor == NULL) {
      // Allocate and initialize a reference processor
+     _span_discoverer.set_span(_reserved);
      _ref_processor =
!       new ReferenceProcessor(&_span_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