--- old/test/hotspot/jtreg/gc/TestCardTablePageCommits.java	2020-05-20 18:04:16.246993912 -0700
+++ new/test/hotspot/jtreg/gc/TestCardTablePageCommits.java	2020-05-20 18:04:15.866986616 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,7 @@
         // The test is run with a small heap to make sure all pages in the card
         // table gets committed. Need 8 MB heap to trigger the bug on SPARC
         // because of 8kB pages, assume 4 KB pages for all other CPUs.
-        String Xmx = Platform.isSparc() ? "-Xmx8m" : "-Xmx4m";
+        String Xmx = "-Xmx4m";
 
         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
             Xmx,