--- a/src/hotspot/share/services/virtualMemoryTracker.cpp	Thu May 03 17:36:25 2018 -0700
+++ b/src/hotspot/share/services/virtualMemoryTracker.cpp	Tue Apr 24 18:06:32 2018 +0200
@@ -617,7 +617,7 @@
 
   size_t free_in_bytes = (MetaspaceUtils::capacity_bytes(type) - MetaspaceUtils::used_bytes(type))
                        + MetaspaceUtils::free_chunks_total_bytes(type)
-                       + MetaspaceUtils::free_bytes(type);
+                       + MetaspaceUtils::free_in_vs_bytes(type);
   mss._free_in_bytes[type] = free_in_bytes;
 }