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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx202.postini.com [74.125.245.202]) by kanga.kvack.org (Postfix) with SMTP id DF4236B0297 for ; Sat, 23 Jun 2012 02:15:53 -0400 (EDT) Received: by pbbrp2 with SMTP id rp2so5514150pbb.14 for ; Fri, 22 Jun 2012 23:15:53 -0700 (PDT) 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 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 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