From: Mark Hahn <hahn@coffee.psychology.mcmaster.ca>
To: "Stephen C. Tweedie" <sct@redhat.com>
Cc: Cesar Eduardo Barros <cesarb@nitnet.com.br>, linux-mm@kvack.org
Subject: Re: Inter-zone swapping
Date: Tue, 25 Jul 2000 17:46:10 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.10.10007251743530.11616-100000@coffee.psychology.mcmaster.ca> (raw)
In-Reply-To: <20000725143833.E1396@redhat.com>
> > Then would it be useful to "swap" a page from the DMA zone into the normal zone
> > (and of course after that ending up swapping from the normal zone to the disk)?
>
> Yes. There are _lots_ of other possible applications for that sort of
> non-IO-consuming relocation-style swapping, including memory
> defragmentation (we really need that if we want to support things like
> large page stuff on Intel boxes for user space).
doesn't good page coloring need this ability, as well,
to move around which physical page is backing a virtual one?
guess it depends on whether the arch does cache lookups based
on p or v addresses...
thanks, mark hahn.
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next prev parent reply other threads:[~2000-07-25 21:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-07-23 1:27 Cesar Eduardo Barros
2000-07-25 13:38 ` Stephen C. Tweedie
2000-07-25 21:46 ` Mark Hahn [this message]
2000-07-26 11:02 ` Stephen C. Tweedie
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