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

*** 111,120 ****
--- 111,124 ----
    // Page allocation
    ZPage* alloc_page(uint8_t type, size_t size, ZAllocationFlags flags);
    void undo_alloc_page(ZPage* page);
    void free_page(ZPage* page, bool reclaimed);
  
+   // Unmap memory
+   void unmap_run();
+   void unmap_stop();
+ 
    // Uncommit memory
    void uncommit_run();
    void uncommit_stop();
  
    // Object allocation