7194409: os::javaTimeNanos() shows hot on CPU_CLK_UNHALTED profiles

Summary: Add inline directives to os::Linux::supports_monotonic_clock() and os::Bsd::supports_monotonic_clock().
Reviewed-by: johnc, azeemj, mikael
Contributed-by: NBrandon Mitchell <brandon@twitter.com>

src/os/bsd/vm/os_bsd.hpp

 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2012, 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
@@ -202,7 +202,7 @@ class Bsd {
   static void fast_thread_clock_init(void);
 #endif
 
-  static bool supports_monotonic_clock() {
+  static inline bool supports_monotonic_clock() {
     return _clock_gettime != NULL;
   }
 

src/os/linux/vm/os_linux.hpp

 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2012, 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
@@ -178,7 +178,7 @@ class Linux {
   // fast POSIX clocks support
   static void fast_thread_clock_init(void);
 
-  static bool supports_monotonic_clock() {
+  static inline bool supports_monotonic_clock() {
     return _clock_gettime != NULL;
   }