From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx165.postini.com [74.125.245.165]) by kanga.kvack.org (Postfix) with SMTP id 12EBB6B02A7 for ; Sat, 23 Jun 2012 05:04:05 -0400 (EDT) Received: by pbbrp2 with SMTP id rp2so5635117pbb.14 for ; Sat, 23 Jun 2012 02:04:05 -0700 (PDT) Date: Sat, 23 Jun 2012 17:03:39 +0800 From: Wanpeng Li Subject: Re: [PATCH 1/6] memcg: replace unsigned long by u64 to avoid overflow Message-ID: <20120623090339.GA6184@kernel> Reply-To: Wanpeng Li References: <1340432134-5178-1-git-send-email-liwp.linux@gmail.com> <20120623081514.GJ27816@cmpxchg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120623081514.GJ27816@cmpxchg.org> Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: linux-mm@kvack.org, Michal Hocko , Balbir Singh , KAMEZAWA Hiroyuki , Andrew Morton , Mel Gorman , Minchan Kim , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Gavin Shan On Sat, Jun 23, 2012 at 10:15:14AM +0200, Johannes Weiner wrote: >On Sat, Jun 23, 2012 at 02:15:34PM +0800, Wanpeng Li wrote: >> 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. > >I wonder what 16 TB of memory must think running on a 32-bit kernel... >"What is this, an address space for ants?" Hi Johannes, You mean change all u64 in memcg to unsigned long? or something I miss.... Regards, Wanpeng Li -- 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