--- old/src/hotspot/share/gc/parallel/asPSYoungGen.cpp	2018-02-20 23:17:43.164701512 +0100
+++ new/src/hotspot/share/gc/parallel/asPSYoungGen.cpp	2018-02-20 23:17:42.964694676 +0100
@@ -76,7 +76,7 @@
     "generation size limit is wrong");
   ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
   size_t result =  gen_size_limit() - current_committed_size;
-  size_t result_aligned = align_down(result, heap->generation_alignment());
+  size_t result_aligned = align_down(result, heap->gen_alignment());
   return result_aligned;
 }
 
@@ -94,7 +94,7 @@
     // Respect the minimum size for eden and for the young gen as a whole.
     ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
     const size_t eden_alignment = heap->space_alignment();
-    const size_t gen_alignment = heap->generation_alignment();
+    const size_t gen_alignment = heap->gen_alignment();
 
     assert(eden_space()->capacity_in_bytes() >= eden_alignment,
       "Alignment is wrong");