src/share/vm/gc_implementation/shared/parGCAllocBuffer.cpp

*** 37,47 ****
    return ThreadLocalAllocBuffer::max_size();
  }
  
  ParGCAllocBuffer::ParGCAllocBuffer(size_t desired_plab_sz_) :
    _word_sz(desired_plab_sz_), _bottom(NULL), _top(NULL),
!   _end(NULL), _hard_end(NULL), _allocated(0), _wasted(0)
  {
    // ArrayOopDesc::header_size depends on command line initialization.
    AlignmentReserve = oopDesc::header_size() > MinObjAlignment ? align_object_size(arrayOopDesc::header_size(T_INT)) : 0;
    assert(min_size() > AlignmentReserve,
           err_msg("Minimum PLAB size " SIZE_FORMAT" must be larger than alignment reserve " SIZE_FORMAT" "
--- 37,47 ----
    return ThreadLocalAllocBuffer::max_size();
  }
  
  ParGCAllocBuffer::ParGCAllocBuffer(size_t desired_plab_sz_) :
    _word_sz(desired_plab_sz_), _bottom(NULL), _top(NULL),
!   _end(NULL), _hard_end(NULL), _allocated(0), _wasted(0), _undo_wasted(0)
  {
    // ArrayOopDesc::header_size depends on command line initialization.
    AlignmentReserve = oopDesc::header_size() > MinObjAlignment ? align_object_size(arrayOopDesc::header_size(T_INT)) : 0;
    assert(min_size() > AlignmentReserve,
           err_msg("Minimum PLAB size " SIZE_FORMAT" must be larger than alignment reserve " SIZE_FORMAT" "
*** 67,76 ****
--- 67,77 ----
    // Since we have flushed the stats we need to clear  the _allocated and _wasted
    // fields in case somebody retains an instance of this over GCs. Not doing so
    // will artifically inflate the values in the statistics.
    _allocated = 0;
    _wasted = 0;
+   _undo_wasted = 0;
  }
  
  void ParGCAllocBuffer::retire() {
    _wasted += retire_internal();
  }