Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754349Ab2FWGPy (ORCPT ); Sat, 23 Jun 2012 02:15:54 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:61241 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751875Ab2FWGPx (ORCPT ); Sat, 23 Jun 2012 02:15:53 -0400 From: Wanpeng Li To: linux-mm@kvack.org Cc: Michal Hocko , Johannes Weiner , Balbir Singh , KAMEZAWA Hiroyuki , Andrew Morton , Mel Gorman , Minchan Kim , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Gavin Shan , Wanpeng Li Subject: [PATCH 1/6] memcg: replace unsigned long by u64 to avoid overflow Date: Sat, 23 Jun 2012 14:15:34 +0800 Message-Id: <1340432134-5178-1-git-send-email-liwp.linux@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1323 Lines: 42 From: Wanpeng Li Since the return value variable in mem_cgroup_zone_nr_lru_pages and mem_cgroup_node_nr_lru_pages functions are u64, so replace the return value of funtions by u64 to avoid overflow. Signed-off-by: Wanpeng Li --- mm/memcontrol.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index a2677e0..724bd02 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -776,8 +776,7 @@ mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid, return ret; } -static unsigned long -mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg, +static u64 mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg, int nid, unsigned int lru_mask) { u64 total = 0; @@ -790,7 +789,7 @@ mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg, return total; } -static unsigned long mem_cgroup_nr_lru_pages(struct mem_cgroup *memcg, +static u64 mem_cgroup_nr_lru_pages(struct mem_cgroup *memcg, unsigned int lru_mask) { int nid; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/