From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265897AbUGHH6k (ORCPT ); Thu, 8 Jul 2004 03:58:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265898AbUGHH6k (ORCPT ); Thu, 8 Jul 2004 03:58:40 -0400 Received: from mail015.syd.optusnet.com.au ([211.29.132.161]:16268 "EHLO mail015.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S265897AbUGHH6h (ORCPT ); Thu, 8 Jul 2004 03:58:37 -0400 References: <40EC13C5.2000101@kolivas.org> <40EC1930.7010805@comcast.net> <40EC1B0A.8090802@kolivas.org> <20040707213822.2682790b.akpm@osdl.org> <20040708001027.7fed0bc4.akpm@osdl.org> Message-ID: X-Mailer: http://www.courier-mta.org/cone/ From: Con Kolivas To: Andrew Morton Cc: nigelenki@comcast.net, linux-kernel@vger.kernel.org Subject: Re: Autoregulate swappiness & inactivation Date: Thu, 08 Jul 2004 17:58:25 +1000 Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=_mimegpg-pc.kolivas.org-4554-1089273505-0014"; micalg=pgp-sha1; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a MIME GnuPG-signed message. If you see this text, it means that your E-mail or Usenet software does not support MIME signed messages. --=_mimegpg-pc.kolivas.org-4554-1089273505-0014 Content-Type: text/plain; format=flowed; charset="US-ASCII" Content-Disposition: inline Content-Transfer-Encoding: 7bit Andrew Morton writes: > Con Kolivas wrote: >> >> Ah what the heck. They can only be knocked back to where they already are. > > hm. You get an eGrump for sending two patchs in one email. Surprisingly > nice numbers though. > > How come vm_swappiness gets squared? That's the mysterious "bias > downwards", yes? What's the theory there? No real world feedback mechanism is linear. As the pressure grows the positive/negative feedback grows exponentially. > Please define this new term "application pages"? errm it's fuzzy to say the least. It's the closest I can come to representing what end users understand as "non-cached" pages. > Those si_swapinfo() and si_meminfo() calls need to come out of there. I'm game. I had the idea but not the skill. Anyone wanna help me with that? > A diff against Documentation/filesystems/proc.txt will be needed sometime, > please. Ok. I'll try and put together one patch that does the lot. Con --=_mimegpg-pc.kolivas.org-4554-1089273505-0014 Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQBA7P6hZUg7+tp6mRURAs66AJ9au33KuKauNHMDjPxn5m7/WyxpFACfS3dU fomkenoRPToSDeNNfp4+coI= =cSYm -----END PGP SIGNATURE----- --=_mimegpg-pc.kolivas.org-4554-1089273505-0014--