src/hotspot/share/gc/g1/g1CollectedHeap.hpp

*** 628,10 ***
--- 628,15 ---
  
    // Do anything common to GC's.
    void gc_prologue(bool full);
    void gc_epilogue(bool full);
  
+   // Can concurrent mark process this object immediately, i.e. mark as live without the need
+   // of pushing it on the mark stack (to process references)?
+   // Used to keep objects that are potentially eagerly reclaimed out of the mark stack.
+   // Its klass may still need to be handled.
+   inline bool can_be_marked_through_immediately(oop obj) const;
    // Does the given region fulfill remembered set based eager reclaim candidate requirements?
    bool is_potential_eager_reclaim_candidate(G1HeapRegion* r) const;
  
    inline bool is_humongous_reclaim_candidate(uint region);