From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 24 Jun 2001 05:02:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 24 Jun 2001 05:02:23 -0400 Received: from smtpde02.sap-ag.de ([194.39.131.53]:19425 "EHLO smtpde02.sap-ag.de") by vger.kernel.org with ESMTP id ; Sun, 24 Jun 2001 05:02:20 -0400 X-Gnus-Agent-Meta-Information: mail nil From: Christoph Rohland To: "Albert D. Cahalan" Cc: allan.d@bigpond.com (Allan Duncan), linux-kernel@vger.kernel.org Subject: Re: Shared memory quantity not being reflected by /proc/meminfo In-Reply-To: <200106240249.f5O2nIF07215@saturn.cs.uml.edu> Organisation: SAP LinuxLab In-Reply-To: <200106240249.f5O2nIF07215@saturn.cs.uml.edu> Message-ID: User-Agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.1 (Cuyahoga Valley) Date: 24 Jun 2001 10:44:13 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SAP: out X-SAP: out X-SAP: out Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Albert, On Sat, 23 Jun 2001, Albert D. Cahalan wrote: > You misunderstood what 2.2.xx kernels were reporting. > The "shared" memory in /proc/meminfo refers to something > completely unrelated to SysV shared memory. This is no > longer calculated because the computation was too costly. But the load of misinterpretations and the missing value led me to export the number of shmem pages in later -ac kernels exactly in this field. I know it is a change of semantics and because of this both Alan and me asked for comments if this change is appreciated. I am still waiting for responses though. Greetings Christoph