--- old/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	2013-10-25 15:32:35.000000000 +0200
+++ new/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	2013-10-25 15:32:35.000000000 +0200
@@ -2008,7 +2008,7 @@
 
   size_t init_byte_size = collector_policy()->initial_heap_byte_size();
   size_t max_byte_size = collector_policy()->max_heap_byte_size();
-  size_t heap_alignment = collector_policy()->max_alignment();
+  size_t heap_alignment = collector_policy()->heap_alignment();
 
   // Ensure that the sizes are properly aligned.
   Universe::check_alignment(init_byte_size, HeapRegion::GrainBytes, "g1 heap");
@@ -2186,6 +2186,10 @@
   return JNI_OK;
 }
 
+size_t G1CollectedHeap::conservative_max_heap_alignment() {
+  return HeapRegion::max_region_size();
+}
+
 void G1CollectedHeap::ref_processing_init() {
   // Reference processing in G1 currently works as follows:
   //