From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="iso-8859-1" From: Daniel Phillips Subject: Re: statm_pgd_range() sucks! Date: Mon, 2 Sep 2002 00:02:38 +0200 References: <20020830015814.GN18114@holomorphy.com> <3D6EDDC0.F9ADC015@zip.com.au> In-Reply-To: <3D6EDDC0.F9ADC015@zip.com.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton , William Lee Irwin III Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, riel@surriel.com List-ID: On Friday 30 August 2002 04:51, Andrew Morton wrote: > William Lee Irwin III wrote: > > (1) shared, lib, text, & total are now reported as what's mapped > > instead of what's resident. This actually fixes two bugs: > > hmm. Personally, I've never believed, or even bothered to try to > understand what those columns are measuring. Does anyone actually > find them useful for anything? If so, what are they being used for? > What info do we really, actually want to know? I don't know what use 'shared' is, but it's clearly not very accurate since it's just adding up all pages with count >= 1. The only remotely correct thing to do here is check for multiple pte reverse pointers. -- Daniel -- 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/