From 690d5777392180fdc05a82c0c7979e50e8d93de8 Mon Sep 17 00:00:00 2001
From: Christoph Lameter <cl@linux.com>
Date: Wed, 13 Jun 2012 10:24:53 -0500
Subject: [PATCH] slob: No need to zero mapping since it is no longer in use

Reviewed-by: Joonsoo Kim <js1304@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
 mm/slob.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/slob.c b/mm/slob.c
index 30862a2..74c3bb2 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -97,7 +97,6 @@ typedef struct slob_block slob_t;
 static inline void free_slob_page(struct page *sp)
 {
 	reset_page_mapcount(sp);
-	sp->mapping = NULL;
 }
 
 /*
-- 
2.7.4