--- old/src/hotspot/share/services/mallocTracker.hpp	2017-10-11 09:39:03.001051704 -0400
+++ new/src/hotspot/share/services/mallocTracker.hpp	2017-10-11 09:39:02.571711746 -0400
@@ -68,7 +68,7 @@
     if (sz > 0) {
       // unary minus operator applied to unsigned type, result still unsigned
       #pragma warning(suppress: 4146)
-      Atomic::add(-sz, &_size);
+      Atomic::sub(sz, &_size);
     }
   }