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

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -52,10 +52,12 @@
 private:
   ZList<ZMemory> _freelist;
 
 public:
   uintptr_t alloc_from_front(size_t size);
+  uintptr_t alloc_from_front_at_most(size_t size, size_t* allocated);
   uintptr_t alloc_from_back(size_t size);
+  uintptr_t alloc_from_back_at_most(size_t size, size_t* allocated);
   void free(uintptr_t start, size_t size);
 };
 
 #endif // SHARE_GC_Z_ZMEMORY_HPP