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

@@ -64,10 +64,11 @@
   ZRelocationSet      _relocation_set;
   ZUnload             _unload;
   ZServiceability     _serviceability;
 
   size_t heap_min_size() const;
+  size_t heap_initial_size() const;
   size_t heap_max_size() const;
   size_t heap_max_reserve_size() const;
 
   void before_flip();
   void after_flip();

@@ -127,10 +128,13 @@
   // 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);
 
+  // Uncommit memory
+  uint64_t uncommit(uint64_t delay);
+
   // Object allocation
   uintptr_t alloc_tlab(size_t size);
   uintptr_t alloc_object(size_t size);
   uintptr_t alloc_object_for_relocation(size_t size);
   void undo_alloc_object_for_relocation(uintptr_t addr, size_t size);