From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752827AbZI1Q4I (ORCPT ); Mon, 28 Sep 2009 12:56:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751711AbZI1Q4H (ORCPT ); Mon, 28 Sep 2009 12:56:07 -0400 Received: from cpsmtpm-eml110.kpnxchange.com ([195.121.3.14]:52026 "EHLO CPSMTPM-EML110.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751407AbZI1Q4H (ORCPT ); Mon, 28 Sep 2009 12:56:07 -0400 From: Frans Pop To: KAMEZAWA Hiroyuki Subject: Re: Wrong Vmalloc numbers in /proc/meminfo Date: Mon, 28 Sep 2009 18:56:08 +0200 User-Agent: KMail/1.9.9 Cc: linux-kernel@vger.kernel.org References: <200909280209.32457.elendil@planet.nl> <20090928113222.ae0f49c5.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20090928113222.ae0f49c5.kamezawa.hiroyu@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200909281856.08969.elendil@planet.nl> X-OriginalArrivalTime: 28 Sep 2009 16:56:08.0996 (UTC) FILETIME=[938A3E40:01CA405C] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 28 September 2009, KAMEZAWA Hiroyuki wrote: > > VmallocTotal: 34359738367 kB > > VmallocUsed: 340084 kB > > VmallocChunk: 34359387131 kB > > > > Is it me or are VmallocTotal and VmallocChunk off by a factor 10,000 > > or so? > > I'm sorry I misunderstand your 10,000 implies. What I meant is: is the Vmalloc area really 32 *terra*bytes in size? Seems rather big for a system with only 2GB RAM. I'd never noticed it before and it looks strange to me, but I guess it's just the result of having 64-bit addressing: a theoretically addressable area most of which will never actually be used?