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diff src/share/vm/gc_implementation/g1/g1OopClosures.hpp @ 3886:eeae91c9baba

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7080389: G1: refactor marking code in evacuation pause copy closures Summary: Refactor code marking code in the evacuation pause copy closures so that an evacuated object is only marked by the thread that successfully copies it. Reviewed-by: stefank, brutisso, tonyp
author johnc
date Mon, 29 Aug 2011 10:13:06 -0700
parents 842b840e67db
children 663cb89032b1
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/g1/g1OopClosures.hpp	Thu Aug 25 02:57:46 2011 -0700
+++ b/src/share/vm/gc_implementation/g1/g1OopClosures.hpp	Mon Aug 29 10:13:06 2011 -0700
@@ -50,6 +50,8 @@
   G1RemSet* _g1_rem;
   ConcurrentMark* _cm;
   G1ParScanThreadState* _par_scan_state;
+  bool _during_initial_mark;
+  bool _mark_in_progress;
 public:
   G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state);
   bool apply_to_weak_ref_discovered_field() { return true; }
@@ -102,8 +104,8 @@
 class G1ParCopyHelper : public G1ParClosureSuper {
   G1ParScanClosure *_scanner;
 protected:
-  template <class T> void mark_forwardee(T* p);
-  oop copy_to_survivor_space(oop obj);
+  template <class T> void mark_object(T* p);
+  oop copy_to_survivor_space(oop obj, bool should_mark_copy);
 public:
   G1ParCopyHelper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state,
                   G1ParScanClosure *scanner) :
@@ -111,7 +113,7 @@
 };
 
 template<bool do_gen_barrier, G1Barrier barrier,
-         bool do_mark_forwardee>
+         bool do_mark_object>
 class G1ParCopyClosure : public G1ParCopyHelper {
   G1ParScanClosure _scanner;
   template <class T> void do_oop_work(T* p);
@@ -120,8 +122,6 @@
     _scanner(g1, par_scan_state), G1ParCopyHelper(g1, par_scan_state, &_scanner) { }
   template <class T> void do_oop_nv(T* p) {
     do_oop_work(p);
-    if (do_mark_forwardee)
-      mark_forwardee(p);
   }
   virtual void do_oop(oop* p)       { do_oop_nv(p); }
   virtual void do_oop(narrowOop* p) { do_oop_nv(p); }