--- old/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	2013-09-30 21:36:04.000000000 +0200
+++ new/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	2013-09-30 21:36:03.000000000 +0200
@@ -319,10 +319,11 @@
 }
 
 void G1CollectorPolicy::initialize_flags() {
-  set_min_alignment(HeapRegion::GrainBytes);
+  _min_alignment = HeapRegion::GrainBytes;
   size_t card_table_alignment = GenRemSet::max_alignment_constraint(rem_set_name());
   size_t page_size = UseLargePages ? os::large_page_size() : os::vm_page_size();
-  set_max_alignment(MAX3(card_table_alignment, min_alignment(), page_size));
+  _max_alignment = MAX3(card_table_alignment, _min_alignment, page_size);
+
   if (SurvivorRatio < 1) {
     vm_exit_during_initialization("Invalid survivor ratio specified");
   }