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

rev 13281 : imported patch 8183121-add-information-about-scanned-skipped-cards-during-updaters
rev 13282 : imported patch 8184346-cleanup-g1cmbitmap
rev 13284 : [mq]: 8184346-erikd-mgerdin-review

*** 4942,4952 ****
                                 region_idx,
                                 (size_t)obj->size() * HeapWordSize,
                                 p2i(r->bottom()),
                                 r->rem_set()->occupied(),
                                 r->rem_set()->strong_code_roots_list_length(),
!                                next_bitmap->isMarked(r->bottom()),
                                 g1h->is_humongous_reclaim_candidate(region_idx),
                                 obj->is_typeArray()
                                );
        return false;
      }
--- 4942,4952 ----
                                 region_idx,
                                 (size_t)obj->size() * HeapWordSize,
                                 p2i(r->bottom()),
                                 r->rem_set()->occupied(),
                                 r->rem_set()->strong_code_roots_list_length(),
!                                next_bitmap->is_marked(r->bottom()),
                                 g1h->is_humongous_reclaim_candidate(region_idx),
                                 obj->is_typeArray()
                                );
        return false;
      }
*** 4959,4975 ****
                               region_idx,
                               (size_t)obj->size() * HeapWordSize,
                               p2i(r->bottom()),
                               r->rem_set()->occupied(),
                               r->rem_set()->strong_code_roots_list_length(),
!                              next_bitmap->isMarked(r->bottom()),
                               g1h->is_humongous_reclaim_candidate(region_idx),
                               obj->is_typeArray()
                              );
  
      // Need to clear mark bit of the humongous object if already set.
!     if (next_bitmap->isMarked(r->bottom())) {
        next_bitmap->clear(r->bottom());
      }
      _humongous_objects_reclaimed++;
      do {
        HeapRegion* next = g1h->next_region_in_humongous(r);
--- 4959,4975 ----
                               region_idx,
                               (size_t)obj->size() * HeapWordSize,
                               p2i(r->bottom()),
                               r->rem_set()->occupied(),
                               r->rem_set()->strong_code_roots_list_length(),
!                              next_bitmap->is_marked(r->bottom()),
                               g1h->is_humongous_reclaim_candidate(region_idx),
                               obj->is_typeArray()
                              );
  
      // Need to clear mark bit of the humongous object if already set.
!     if (next_bitmap->is_marked(r->bottom())) {
        next_bitmap->clear(r->bottom());
      }
      _humongous_objects_reclaimed++;
      do {
        HeapRegion* next = g1h->next_region_in_humongous(r);