--- a/src/hotspot/share/gc/epsilon/epsilonHeap.hpp	Thu Apr 26 19:32:01 2018 +0200
+++ b/src/hotspot/share/gc/epsilon/epsilonHeap.hpp	Thu May 03 09:43:47 2018 +0200
@@ -99,7 +99,9 @@
   // Allocation
   HeapWord* allocate_work(size_t size);
   virtual HeapWord* mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded);
-  virtual HeapWord* allocate_new_tlab(size_t size);
+  virtual HeapWord* allocate_new_tlab(size_t min_size,
+                                      size_t requested_size,
+                                      size_t* actual_size);
 
   // TLAB allocation
   virtual bool supports_tlab_allocation()           const { return UseTLAB;        }