[PATCH] Add deprecated_for_modules

Add a deprecated_for_modules macro that allows symbols to be deprecated only
when used by modules, as suggested by Andrew Morton some months back.
Signed-off-by: Paul E. McKenney <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/linux/compiler.h

@@ -90,6 +90,12 @@ extern void __chk_io_ptr(void __iomem *);
 # define __deprecated		/* unimplemented */
 #endif
 
+#ifdef MODULE
+#define __deprecated_for_modules __deprecated
+#else
+#define __deprecated_for_modules
+#endif
+
 #ifndef __must_check
 #define __must_check
 #endif