--- old/src/hotspot/share/gc/g1/g1Allocator.hpp	2018-04-23 13:45:28.408301508 +0200
+++ new/src/hotspot/share/gc/g1/g1Allocator.hpp	2018-04-23 13:45:28.020286202 +0200
@@ -99,7 +99,9 @@
 
   // Allocate blocks of memory during mutator time.
 
-  inline HeapWord* attempt_allocation(size_t word_size);
+  inline HeapWord* attempt_allocation(size_t min_word_size,
+                                      size_t desired_word_size,
+                                      size_t* actual_word_size);
   inline HeapWord* attempt_allocation_locked(size_t word_size);
   inline HeapWord* attempt_allocation_force(size_t word_size);