--- old/test/hotspot/jtreg/serviceability/sa/TestJmapCore.java	2018-09-24 08:53:40.848257000 +0530
+++ new/test/hotspot/jtreg/serviceability/sa/TestJmapCore.java	2018-09-24 08:53:40.380023000 +0530
@@ -87,7 +87,7 @@
 
     static void test(String type) throws Throwable {
         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, "-XX:+CreateCoredumpOnCrash",
-                "-XX:MaxMetaspaceSize=64m", "-XX:+CrashOnOutOfMemoryError",
+                "-Xmx512m", "-XX:MaxMetaspaceSize=64m", "-XX:+CrashOnOutOfMemoryError",
                 TestJmapCore.class.getName(), type);
 
         boolean useDefaultUlimit = useDefaultUlimit();