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

*** 63,72 ****
--- 63,74 ----
    ZPhysicalMemory split(size_t size);
    void clear();
  };
  
  class ZPhysicalMemoryManager VALUE_OBJ_CLASS_SPEC {
+   friend class VMStructs;
+ 
  private:
    ZPhysicalMemoryBacking _backing;
    const size_t           _max_capacity;
    size_t                 _capacity;
    size_t                 _used;