Lines Matching refs:_bottom
56 HeapWord* _bottom; // == reserved.start
63 _bottom(bottom), _end(end) {
64 assert(_bottom <= _end, "arguments out of order");
73 _bottom = new_bottom;
74 resize(pointer_delta(_end, _bottom));
352 _bottom = mr.start();
359 HeapWord* new_end = _bottom + new_word_size;
429 _unallocated_block(_bottom) { }
441 assert(block >= _bottom && block <= _end, "out of range");
543 // Zero out the entry for _bottom (offset will be zero)