--- a/test/lib/sun/hotspot/WhiteBox.java	Wed Feb 21 12:40:05 2018 +0100
+++ b/test/lib/sun/hotspot/WhiteBox.java	Wed Feb 21 12:40:07 2018 +0100
@@ -206,6 +206,7 @@
   public native long NMTMalloc(long size);
   public native void NMTFree(long mem);
   public native long NMTReserveMemory(long size);
+  public native long NMTAttemptReserveMemoryAt(long addr, long size);
   public native void NMTCommitMemory(long addr, long size);
   public native void NMTUncommitMemory(long addr, long size);
   public native void NMTReleaseMemory(long addr, long size);