--- old/src/hotspot/share/gc/g1/g1Allocator.inline.hpp	2018-05-02 11:22:55.412768633 +0200
+++ new/src/hotspot/share/gc/g1/g1Allocator.inline.hpp	2018-05-02 11:22:55.048754230 +0200
@@ -41,8 +41,14 @@
   return &_old_gc_alloc_region;
 }
 
-inline HeapWord* G1Allocator::attempt_allocation(size_t word_size) {
-  return mutator_alloc_region()->attempt_allocation(word_size);
+inline HeapWord* G1Allocator::attempt_allocation(size_t min_word_size,
+                                                 size_t desired_word_size,
+                                                 size_t* actual_word_size) {
+  HeapWord* result = mutator_alloc_region()->attempt_retained_allocation(min_word_size, desired_word_size, actual_word_size);
+  if (result != NULL) {
+    return result;
+  }
+  return mutator_alloc_region()->attempt_allocation(min_word_size, desired_word_size, actual_word_size);
 }
 
 inline HeapWord* G1Allocator::attempt_allocation_locked(size_t word_size) {