src/share/vm/gc/g1/g1CollectedHeap.cpp

rev 12240 : [mq]: filler_comments

*** 298,307 ****
--- 298,309 ----
    // type and, for a very short period of time, the klass and length
    // fields will be inconsistent. This could cause a refinement
    // thread to calculate the object size incorrectly.
    Copy::fill_to_words(new_obj, oopDesc::header_size(), 0);
  
+   // Next, pad out the unused tail of the last region with filler
+   // objects, for improved usage accounting.
    // How many words we use for filler objects.
    size_t word_fill_size = word_size_sum - word_size;
  
    // How many words memory we "waste" which cannot hold a filler object.
    size_t words_not_fillable = 0;