[PATCH] make some things static

This patch makes some needlessly global identifiers static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Arjan van de Ven <arjanv@infradead.org>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 05b966c..9900e33 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -320,7 +320,7 @@
 /*
  * This semaphore is used to serialize ep_free() and eventpoll_release_file().
  */
-struct semaphore epsem;
+static struct semaphore epsem;
 
 /* Safe wake up implementation */
 static struct poll_safewake psw;