From owner-freebsd-current Sun Sep 15 18:33:14 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id SAA01953 for current-outgoing; Sun, 15 Sep 1996 18:33:14 -0700 (PDT) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id SAA01936; Sun, 15 Sep 1996 18:33:10 -0700 (PDT) Received: (from root@localhost) by dyson.iquest.net (8.7.5/8.6.9) id UAA03277; Sun, 15 Sep 1996 20:31:41 -0500 (EST) From: "John S. Dyson" Message-Id: <199609160131.UAA03277@dyson.iquest.net> Subject: Re: VM problem (OK!!) To: rjr@sparks.empath.on.ca Date: Sun, 15 Sep 1996 20:31:41 -0500 (EST) Cc: dyson@FreeBSD.ORG, freebsd-current@FreeBSD.ORG In-Reply-To: <199609151306.JAA05405@sparks.empath.on.ca> from "Robert J. Rutter" at Sep 15, 96 09:06:53 am Reply-To: dyson@FreeBSD.ORG X-Mailer: ELM [version 2.4 PL24 ME8] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > In a previous incarnation on local.freebsd-current, dyson@FreeBSD.ORG said: > |> > |> What option to set ? > |> > |For 256K cache 'options PQ_MEDIUMCACHE' > |For 512K cache 'options PQ_LARGECACHE' > |The default is to color for only a 64K cache, which provides only minor > |improvements, but is much better than the random allocations that we > |(and almost every other free OS) had previously done. > > I did a 'make world' on a 960913 -current and an i486 with 256K cache. > I rebiult the kernel and rebooted, everything is ok. I then put > 'options PQ_MEDIUMCACHE' in the kernel config and rebuilt the kernel. > Everything is still ok. The kernel size and boot messages are the same. > How do I tell if the 256K cache is being configured and used? > The code is a bit rough right now. There is no feedback. Under ddb you can type: call DDB_print_pageq_info and if you have 64 page queues for the free page list, then it is configured. John