--- old/src/os/linux/vm/os_linux.cpp	Fri Mar  7 09:22:48 2014
+++ new/src/os/linux/vm/os_linux.cpp	Fri Mar  7 09:22:47 2014
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2999,8 +2999,10 @@
 
   unsigned char vec[1];
   unsigned imin = 1, imax = pages + 1, imid;
-  int mincore_return_value;
+  int mincore_return_value = 0;
 
+  assert(imin < imax, "Unexpected page size");
+
   while (imin < imax) {
     imid = (imax + imin) / 2;
     nbot = ntop - (imid * page_sz);