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

rev 55208 : imported patch 8220089.webrev.0
rev 55209 : imported patch 8220089.webrev.1
rev 55210 : imported patch 8220089.webrev.2

*** 37,46 ****
--- 37,48 ----
    TruncatedSeq** _surv_rate_pred;
  
    int _all_regions_allocated;
    size_t _region_num;
    size_t _setup_seq_num;
+   // Total number of retained regions.
+   size_t _retained_region_num;
  
    void fill_in_last_surv_rates();
    void finalize_predictions(const G1Predictions& predictor);
  public:
    SurvRateGroup();
*** 75,84 ****
--- 77,91 ----
    int next_age_index() {
      ++_region_num;
      return (int) ++_all_regions_allocated;
    }
  
+   int next_age_index_for_retained() {
+     ++_retained_region_num;
+     return next_age_index();
+   }
+ 
    int age_in_group(int age_index) const {
      int ret = (int) (_all_regions_allocated - age_index);
      assert( ret >= 0, "invariant" );
      return ret;
    }