Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754246Ab2FWIPl (ORCPT ); Sat, 23 Jun 2012 04:15:41 -0400 Received: from zene.cmpxchg.org ([85.214.230.12]:52334 "EHLO zene.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752792Ab2FWIPh (ORCPT ); Sat, 23 Jun 2012 04:15:37 -0400 Date: Sat, 23 Jun 2012 10:15:14 +0200 From: Johannes Weiner To: Wanpeng Li 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 Subject: Re: [PATCH 1/6] memcg: replace unsigned long by u64 to avoid overflow Message-ID: <20120623081514.GJ27816@cmpxchg.org> References: <1340432134-5178-1-git-send-email-liwp.linux@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1340432134-5178-1-git-send-email-liwp.linux@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 656 Lines: 14 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?" -- 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/