From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261258AbULSBaw (ORCPT ); Sat, 18 Dec 2004 20:30:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261259AbULSBaw (ORCPT ); Sat, 18 Dec 2004 20:30:52 -0500 Received: from mail06.syd.optusnet.com.au ([211.29.132.187]:51356 "EHLO mail06.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S261258AbULSBa3 (ORCPT ); Sat, 18 Dec 2004 20:30:29 -0500 Message-ID: <41C4D990.1060507@kolivas.org> Date: Sun, 19 Dec 2004 12:29:52 +1100 From: Con Kolivas User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Con Kolivas Cc: Mikhail Ramendik , ck@vds.kolivas.org, riel@redhat.com, Andrew Morton , linux Subject: Re: [ck] 2.6.7 backport request, spinoff idea References: <200412171504.41234.mr@ramendik.ru> <41C4A670.9090009@kolivas.org> <41C4A899.10102@kolivas.org> <200412190321.16567.mr@ramendik.ru> <41C4CE77.40601@kolivas.org> In-Reply-To: <41C4CE77.40601@kolivas.org> X-Enigmail-Version: 0.89.5.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig6A1BD1BC968F11B26B53D63E" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig6A1BD1BC968F11B26B53D63E Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Con Kolivas wrote: > Mikhail Ramendik wrote: > >> Con Kolivas wrote: >> >> >>> Actually I wonder if the swap token is responsible in 2.6.10-rc3 >>> >>> Try this >>> echo 0 > /proc/sys/vm/swap_token_timeout >> >> >> >> Well, this makes things really better, although not as good as >> 2.6.8.1. There are kswapd cpu jumps and screen freezes, but they only >> last several seconds (the longest is in the very beginning, about >> 15-20 sec). >> >> Thanks! This makes the system much more useable. > > > This is worth posting to lkml so I've cc'ed a few relevant people (there > is already a thread about this there). Rik care to comment? I recall > pointing out this test case a while back. Got any way to make it harder > to trigger the swap token? It seems to affect normal workloads adversely > considering how rare swap thrashing actually occurs. Rik tells me he has already posted a patch for this problem :D Sorry for cc'ing the wrong email Rik. Do you have a simple link to the patch or can you send it on this thread please? Cheers, Con --------------enig6A1BD1BC968F11B26B53D63E Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFBxNmQZUg7+tp6mRURAjKRAJ416Pw7U3CfMc7J5WdozNjWO+YbJQCeMyda jjkkMxN0hOWiS8TlgVtH/Ic= =D36A -----END PGP SIGNATURE----- --------------enig6A1BD1BC968F11B26B53D63E--