[PATCH] gfp flags annotations - part 1

 - added typedef unsigned int __nocast gfp_t;

 - replaced __nocast uses for gfp flags with gfp_t - it gives exactly
   the same warnings as far as sparse is concerned, doesn't change
   generated code (from gcc point of view we replaced unsigned int with
   typedef) and documents what's going on far better.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/rxrpc/message.h b/include/rxrpc/message.h
index 983d9f9..b318f27 100644
--- a/include/rxrpc/message.h
+++ b/include/rxrpc/message.h
@@ -63,7 +63,7 @@
 			     uint8_t type,
 			     int count,
 			     struct kvec *diov,
-			     unsigned int __nocast alloc_flags,
+			     gfp_t alloc_flags,
 			     struct rxrpc_message **_msg);
 
 extern int rxrpc_conn_sendmsg(struct rxrpc_connection *conn, struct rxrpc_message *msg);