src/hotspot/share/gc/z/zLiveMap.hpp

*** 43,10 ***
--- 43,11 ---
    const int         _segment_shift;
  
    Atomic<uint32_t>  _seqnum;
    Atomic<uint32_t>  _live_objects;
    Atomic<size_t>    _live_bytes;
+   Atomic<uint32_t>  _will_expand_objects;
    BitMap::bm_word_t _segment_live_bits;
    BitMap::bm_word_t _segment_claim_bits;
    ZBitMap           _bitmap;
  
    const BitMapView segment_live_bits() const;

*** 85,15 ***
--- 86,17 ---
  
    bool is_marked(ZGenerationId id) const;
  
    uint32_t live_objects() const;
    size_t live_bytes() const;
+   uint32_t will_expand_objects() const;
  
    bool get(ZGenerationId id, BitMap::idx_t index) const;
    bool set(ZGenerationId id, BitMap::idx_t index, bool finalizable, bool& inc_live);
  
    void inc_live(uint32_t objects, size_t bytes);
+   void inc_will_expand(uint32_t objects);
  
    template <typename Function>
    void iterate(ZGenerationId id, Function function);
  
    BitMap::idx_t find_base_bit(BitMap::idx_t index);