--- old/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	2015-03-26 10:24:10.640962798 +0100
+++ new/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	2015-03-26 10:24:10.559960466 +0100
@@ -401,7 +401,7 @@
 ParallelCompactData::create_vspace(size_t count, size_t element_size)
 {
   const size_t raw_bytes = count * element_size;
-  const size_t page_sz = os::page_size_for_region(raw_bytes, raw_bytes, 10);
+  const size_t page_sz = os::page_size_for_region(raw_bytes, 10);
   const size_t granularity = os::vm_allocation_granularity();
   _reserved_byte_size = align_size_up(raw_bytes, MAX2(page_sz, granularity));