[PATCH] mm/migrate.c: don't export a static function

EXPORT_SYMBOL'ing of a static function is not a good idea.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Christoph Lameter <clameter@engr.sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

mm/migrate.c

@@ -173,7 +173,6 @@ static int swap_page(struct page *page)
 retry:
 	return -EAGAIN;
 }
-EXPORT_SYMBOL(swap_page);
 
 /*
  * Remove references for a page and establish the new page with the correct