--- old/test/java/lang/management/MemoryMXBean/CollectionUsageThreshold.java	2014-12-03 16:06:09.094640196 +0400
+++ new/test/java/lang/management/MemoryMXBean/CollectionUsageThreshold.java	2014-12-03 16:06:08.930640206 +0400
@@ -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
  */