--- a/jdk/test/java/nio/channels/FileChannel/Transfer4GBFile.java	Thu Mar 23 22:57:12 2017 +0000
+++ b/jdk/test/java/nio/channels/FileChannel/Transfer4GBFile.java	Fri Mar 24 09:16:58 2017 -0700
@@ -52,11 +52,6 @@
     // Test transferTo with large file
     @Test
     public void xferTest04() throws Exception { // for bug 4638365
-        // Windows and Linux can't handle the really large file sizes for a
-        // truncate or a positional write required by the test for 4563125
-        String osName = System.getProperty("os.name");
-        if (!(osName.startsWith("SunOS") || osName.contains("OS X")))
-            return;
         File source = File.createTempFile("blah", null);
         source.deleteOnExit();
         long testSize = ((long)Integer.MAX_VALUE) * 2;