Export __pagevec_release and pagevec_lookup_tag

These are needed to implement cifs_writepages

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/mm/swap.c b/mm/swap.c
index 96387e2..154ae13 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -259,6 +259,8 @@
 	pagevec_reinit(pvec);
 }
 
+EXPORT_SYMBOL(__pagevec_release);
+
 /*
  * pagevec_release() for pages which are known to not be on the LRU
  *
@@ -387,6 +389,7 @@
 	return pagevec_count(pvec);
 }
 
+EXPORT_SYMBOL(pagevec_lookup_tag);
 
 #ifdef CONFIG_SMP
 /*