src/share/vm/gc_implementation/g1/heapRegion.hpp

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rev 4802 : imported patch optimize-nmethod-scanning
rev 4803 : imported patch thomas-comments-2

@@ -336,13 +336,10 @@
 
   // The predicted number of bytes to copy that was added to
   // the total value for the collection set.
   size_t _predicted_bytes_to_copy;
 
-  // A list of code blobs (nmethods) whose code contains pointers into this region
-  GrowableArray<nmethod*>* _strong_code_root_list;
-
  public:
   HeapRegion(uint hrs_index,
              G1BlockOffsetSharedArray* sharedOffsetArray,
              MemRegion mr);
 

@@ -799,35 +796,27 @@
 
   virtual CompactibleSpace* next_compaction_space() const;
 
   virtual void reset_after_compaction();
 
-  // Routines for managing the list of code roots that point into
-  // this heap region.
+  // Routines for managing a list of code roots (attached to the
+  // this region's RSet) that point into this heap region.
   void add_strong_code_root(nmethod* nm);
   void remove_strong_code_root(nmethod* nm);
 
-  GrowableArray<nmethod*>* strong_code_root_list() {
-    return _strong_code_root_list;
-  }
-
-  // During a collection, migrate successfully evacuated strong
-  // code roots attached to this region to the new regions that
-  // they point into. Unsuccessfully evacuated code roots are
-  // not migrated.
+  // During a collection, migrate the successfully evacuated
+  // strong code roots that referenced into this region to the
+  // new regions that they now point into. Unsuccessfully
+  // evacuated code roots are not migrated.
   void migrate_strong_code_roots();
 
   // Applies blk->do_code_blob() to each of the entries in
-  // the strong code roots list;
+  // the strong code roots list for this region
   void strong_code_roots_do(CodeBlobClosure* blk) const;
 
-  // Returns the amount of memory, in bytes, currently
-  // consumed by the strong code roots.
-  size_t strong_code_root_mem_size();
-
-  // Verify that the entries on the strong code root list are live and
-  // include at least one pointer into this region.
+  // Verify that the entries on the strong code root list for this
+  // region are live and include at least one pointer into this region.
   void verify_strong_code_roots(VerifyOption vo, bool* failures) const;
 
   void print() const;
   void print_on(outputStream* st) const;