Date: Sun, 15 Sep 1996 20:31:41 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: rjr@sparks.empath.on.ca Cc: dyson@FreeBSD.ORG, freebsd-current@FreeBSD.ORG Subject: Re: VM problem (OK!!) Message-ID: <199609160131.UAA03277@dyson.iquest.net> In-Reply-To: <199609151306.JAA05405@sparks.empath.on.ca> from "Robert J. Rutter" at Sep 15, 96 09:06:53 am
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> > 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
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