From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id D9D3F6B009E for ; Sun, 7 Nov 2010 19:09:51 -0500 (EST) Received: by iwn9 with SMTP id 9so5420558iwn.14 for ; Sun, 07 Nov 2010 16:09:50 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20101107220353.964566018@cmpxchg.org> References: <1288973333-7891-1-git-send-email-minchan.kim@gmail.com> <20101106010357.GD23393@cmpxchg.org> <20101107215030.007259800@cmpxchg.org> <20101107220353.964566018@cmpxchg.org> Date: Mon, 8 Nov 2010 09:01:54 +0900 Message-ID: Subject: Re: [patch 4/4] memcg: use native word page statistics counters From: Minchan Kim Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: Johannes Weiner Cc: Greg Thelen , Andrew Morton , Dave Young , Andrea Righi , KAMEZAWA Hiroyuki , Daisuke Nishimura , Balbir Singh , Wu Fengguang , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Mon, Nov 8, 2010 at 7:14 AM, Johannes Weiner wrote: > The statistic counters are in units of pages, there is no reason to > make them 64-bit wide on 32-bit machines. > > Make them native words. =A0Since they are signed, this leaves 31 bit on > 32-bit machines, which can represent roughly 8TB assuming a page size > of 4k. > > Signed-off-by: Johannes Weiner Reviewed-by: Minchan Kim This patch changes mem_cgroup_recursive_idx_stat with mem_cgroup_recursive_stat as well. As you know, It would be better to be another patch although it's trivial. But I don't mind it. I like the name. :) Thanks, Hannes. --=20 Kind regards, Minchan Kim -- 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/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org