src/hotspot/share/gc/g1/g1ConcurrentMark.hpp

rev 49890 : imported patch 8201492-properly-implement-non-contiguous-reference-processing
rev 49897 : [mq]: 8201491-precleaning

*** 560,569 ****
--- 560,572 ----
    void scan_root_region(HeapRegion* hr, uint worker_id);
  
    // Do concurrent phase of marking, to a tentative transitive closure.
    void mark_from_roots();
  
+   // Do concurrent preclean work.
+   void preclean();
+ 
    void remark();
  
    void cleanup();
    // Mark in the previous bitmap. Caution: the prev bitmap is usually read-only, so use
    // this carefully.