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Re: [RFC] 2.3.39 zone balancing

To: Jamie Lokier <lkd@tantalophile.demon.co.uk>
Subject: Re: [RFC] 2.3.39 zone balancing
From: Andrea Arcangeli <andrea@suse.de>
Date: Fri, 14 Jan 2000 14:43:42 +0100 (CET)
cc: Kanoj Sarcar <kanoj@google.engr.sgi.com>, Rik van Riel <riel@nl.linux.org>, Alan Cox <alan@lxorguk.ukuu.org.uk>, Linus Torvalds <torvalds@transmeta.com>, linux-mm@kvack.org, linux-kernel@vger.rutgers.edu
In-Reply-To: <20000114132546.A18109@pcep-jamie.cern.ch>
Sender: owner-linux-mm@kvack.org

On Fri, 14 Jan 2000, Jamie Lokier wrote:

>It would seem logical that when a page in the DMA zone is only held for
>swap cache, it's worth copying it to the regular zone and using the copy
>when the page is needed again to free up DMA pages without hitting the
>disk.

That's basically what I am just doing for preserving regular pages w.r.t.
high pages in replace_with_highmem but currently I am not graceful against
DMA pages yet.

Andrea

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References:
- Re: [RFC] 2.3.39 zone balancing
  - From: Jamie Lokier <lkd@tantalophile.demon.co.uk>

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