--- old/src/hotspot/share/gc/parallel/heterogeneousGenerationSizer.cpp	2018-12-20 00:37:02.810815800 -0800
+++ new/src/hotspot/share/gc/parallel/heterogeneousGenerationSizer.cpp	2018-12-20 00:37:02.081659900 -0800
@@ -62,9 +62,7 @@
   } else {
     // We use our own fraction to calculate max size of young generation.
     reasonable_max = phys_mem * MaxRamFractionForYoung;
-    char tmp[20];
-    os::snprintf(tmp, 20, " * %0.2f", MaxRamFractionForYoung);
-    calc_str.append(tmp);
+    calc_str.append(" * %0.2f", MaxRamFractionForYoung);
   }
   reasonable_max = align_up(reasonable_max, _gen_alignment);