Fixes for TestUseCompressedOopsFlagsWithUlimit.java

Author: jsikstro

test/hotspot/jtreg/gc/arguments/TestUseCompressedOopsFlagsWithUlimit.java

@@ -26,8 +26,7 @@
 /*
  * @test TestUseCompressedOopsFlagsWithUlimit
  * @bug 8280761
- * @summary Verify correct UseCompressedOops when MaxRAM and MaxRAMPercentage
- * are specified with ulimit -v.
+ * @summary Verify that ergonomic setting of UseCompressedOops adheres to ulimit -v
  * @library /test/lib
  * @library /
  * @requires vm.bits == "64"
@@ -91,9 +90,9 @@ public static void main(String args[]) throws Exception {
 
     long oneG = 1L * 1024L * 1024L * 1024L;
 
-    // Args: ulimit, max_ram_percent, expected_coop
-    // Setting MaxRAMPercentage explicitly to make the test more resilient.
-    checkFlag(10 * oneG, 100, true);
+    // Regardless of how much memory that is available on the machine, we should
+    // always get compressed oops if we have set a ulimit below the COOPS limit.
+    // We set MaxRAMPercentage explicitly to make the test more resilient.
     checkFlag(10 * oneG, 100, true);
   }
 }