From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267341AbUBSQPQ (ORCPT ); Thu, 19 Feb 2004 11:15:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267353AbUBSQPQ (ORCPT ); Thu, 19 Feb 2004 11:15:16 -0500 Received: from gprs157-229.eurotel.cz ([160.218.157.229]:33664 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S267341AbUBSQPG (ORCPT ); Thu, 19 Feb 2004 11:15:06 -0500 Date: Thu, 19 Feb 2004 17:14:55 +0100 From: Pavel Machek To: Michael Frank Cc: Andrea Arcangeli , Nigel Cunningham , linux-kernel@vger.kernel.org Subject: Re: Reserved page flaging of 2.4 kernel memory changed recently? Message-ID: <20040219161455.GC259@elf.ucw.cz> References: <200402050941.34155.mhf@linuxmail.org> <20040208020624.GG31926@dualathlon.random> <200402100625.41288.mhf@linuxmail.org> <20040219072629.GB467@openzaurus.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > >>I actually would like to rename the bit PG_nosave to PG_donttouch ;) > > to make a point with regard to: > > no transfer of page contents during suspend/resume > no netdump > no debugger access without override > > ... but the name does not matter and we do not have to change it. > > >Its used for swsusp internal data, too... > > Yes of course - how else would swsusp run, but these data are also not > "touched" > during suspend and resume wrt transfer of page content. Yes. But I still want to be able to access swsusp internal data through debugger, and I want them in the netdump. That means that PG_nosave | PG_reserved indeed is "PG_donttouch", but PG_nosave has slightly different meaning. Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?]