From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer; bh=t8RLLbteSVG0HSglSsTwL4Cjqoa/oXgIGryK6dw9mm0=; b=sGz2kSPdrCan9ZEh5XMVfRCznfeyxt28M/SE2qDKtVtlwZxvLJN++wVVszeN51hIHs y8YjiwRwmFC7eHaNtKjuDKGoftYX4zmz8jMTc7zkbdBcRAiAmHuqV+cAmRmTxgLdQXXD 40Kg8CxiFk1TojVJ5QNRas3pRLBYi4eqiv7SqBqCEwm2Xjb5AokEruLX8rOlXL68T0+g dtywoE4HuexX0hqUCUajnSnwgJSWzSg67gn9rZ4O5s7RIMn0MxXLUHbizJ7GYYPHNple pbWbnZcfNv0AiXB9A2lB+v/sSOkNOSc41rbwl0JmObbyp/chddJuM2EBhUa4agTGoR4C Hfqg== Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org Cc: Michal Hocko , Johannes Weiner , Balbir Singh , KAMEZAWA Hiroyuki , Andrew Morton , Mel Gorman , Minchan Kim , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Gavin Shan , Wanpeng Li 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