merge glitch

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/filemap.c

@@ -311,7 +311,6 @@ int wait_on_page_writeback_range(struct address_space *mapping,
 
 	return ret;
 }
-EXPORT_SYMBOL(add_to_page_cache_lru);
 
 /**
  * sync_page_range - write and wait on all pages in the passed range