src/share/vm/gc/shared/blockOffsetTable.cpp

*** 67,85 ****
    size_t old_size = _vs.committed_size();
    size_t delta;
    char* high = _vs.high();
    _end = _reserved.start() + new_word_size;
    if (new_size > old_size) {
!     delta = ReservedSpace::page_align_size_up(new_size - old_size);
      assert(delta > 0, "just checking");
      if (!_vs.expand_by(delta)) {
        // Do better than this for Merlin
        vm_exit_out_of_memory(delta, OOM_MMAP_ERROR, "offset table expansion");
      }
      assert(_vs.high() == high + delta, "invalid expansion");
    } else {
!     delta = ReservedSpace::page_align_size_down(old_size - new_size);
      if (delta == 0) return;
      _vs.shrink_by(delta);
      assert(_vs.high() == high - delta, "invalid expansion");
    }
  }
--- 67,85 ----
    size_t old_size = _vs.committed_size();
    size_t delta;
    char* high = _vs.high();
    _end = _reserved.start() + new_word_size;
    if (new_size > old_size) {
!     delta = ReservedSpace::page_align_up(new_size - old_size);
      assert(delta > 0, "just checking");
      if (!_vs.expand_by(delta)) {
        // Do better than this for Merlin
        vm_exit_out_of_memory(delta, OOM_MMAP_ERROR, "offset table expansion");
      }
      assert(_vs.high() == high + delta, "invalid expansion");
    } else {
!     delta = ReservedSpace::page_align_down(old_size - new_size);
      if (delta == 0) return;
      _vs.shrink_by(delta);
      assert(_vs.high() == high - delta, "invalid expansion");
    }
  }