--- old/test/java/lang/management/MemoryMXBean/CollectionUsageThreshold.java	2014-12-25 16:06:23.328984852 +0400
+++ new/test/java/lang/management/MemoryMXBean/CollectionUsageThreshold.java	2014-12-25 16:06:23.156984859 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2014, 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
@@ -32,6 +32,7 @@
  *
  * @library /lib/testlibrary/
  * @build jdk.testlibrary.* CollectionUsageThreshold MemoryUtil RunUtil
+ * @requires vm.opt.ExplicitGCInvokesConcurrent == "false" | vm.opt.ExplicitGCInvokesConcurrent == "null"
  * @run main/timeout=300 CollectionUsageThreshold
  */
 
--- old/test/java/lang/management/MemoryMXBean/LowMemoryTest.java	2014-12-25 16:06:23.840984833 +0400
+++ new/test/java/lang/management/MemoryMXBean/LowMemoryTest.java	2014-12-25 16:06:23.664984839 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2014, 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
@@ -32,6 +32,7 @@
  *
  * @library /lib/testlibrary/
  * @build jdk.testlibrary.* LowMemoryTest MemoryUtil RunUtil
+ * @requires vm.opt.ExplicitGCInvokesConcurrent == "false" | vm.opt.ExplicitGCInvokesConcurrent == "null"
  * @run main/timeout=600 LowMemoryTest
  */