From: "John Fremlin" <vii@penguinpowered.com>
To: linux-mm@kvack.org
Subject: Re: VM callbacks and VM design
Date: 11 Jun 2000 23:16:52 +0100 [thread overview]
Message-ID: <m2snuj278r.fsf@boreas.southchinaseas> (raw)
In-Reply-To: Neil Schemenauer's message of "Wed, 7 Jun 2000 18:07:37 -0600"
Neil Schemenauer <nascheme@enme.ucalgary.ca> writes:
[...]
> In order to decide which pages are good candidates for freeing
> the temporal locality heuristic should be used (ie. pages needed
Why?
> recently will also be needed in the near future). Note that this
> is different that "most often used". I think Rik's latest aging
> patch is slightly wrong in this regard.
If you're greping through a large file you don't want to swap out your
processes.
Also, you might like to look at the ideas behind generational garbage
collection; i.e. most objects are used briefly then forgotten about
forever, but those which are still being used after a while will
probably keep on being used.
[...]
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prev parent reply other threads:[~2000-06-11 22:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-07 23:16 PATCH: deferred writes of mmaped pages [WIP] (1st try) Juan J. Quintela
2000-06-08 0:07 ` VM callbacks and VM design Neil Schemenauer
2000-06-11 22:16 ` John Fremlin [this message]
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