From: Hugh Dickins <hughd@google.com>
Date: Fri, 16 Dec 2011 04:50:34 +0000 (+1100)
Subject: mm: memcg: remove unused node/section info from pc->flags fix
X-Git-Tag: next-20111221~2^2~55
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e4c2607effc97a1758ce5ba5ac5152d7c5fb0520;p=karo-tx-linux.git

mm: memcg: remove unused node/section info from pc->flags fix

Fix non-CONFIG_SPARSEMEM build, which failed with
mm/page_cgroup.c: In function `alloc_node_page_cgroup':
mm/page_cgroup.c:44: error: `start_pfn' undeclared (first use in this function)

Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Johannes Weiner <jweiner@redhat.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index a14655d4d7e4..f0559e049e00 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -41,9 +41,7 @@ static int __init alloc_node_page_cgroup(int nid)
 	unsigned long table_size;
 	unsigned long nr_pages;
 
-	start_pfn = NODE_DATA(nid)->node_start_pfn;
 	nr_pages = NODE_DATA(nid)->node_spanned_pages;
-
 	if (!nr_pages)
 		return 0;