From: Rik van Riel <riel@conectiva.com.br>
To: Roger Larsson <roger.larsson@norran.net>
Cc: linux-mm@kvack.org
Subject: Re: [PATCH][RFC] Alternate shrink_mmap
Date: Thu, 4 May 2000 15:59:17 -0300 (BRST) [thread overview]
Message-ID: <Pine.LNX.4.21.0005041557390.23740-100000@duckman.conectiva> (raw)
In-Reply-To: <3911E111.DE0B5CFB@norran.net>
On Thu, 4 May 2000, Roger Larsson wrote:
> Yes, I start scanning in the beginning every time - but I do not
> think that is so bad here, why?
Because you'll end up scanning the same few pages over and
over again, even if those pages are used all the time and
the pages you want to free are somewhere else in the list.
> a) It releases more than one page of the required zone before returning.
> b) It should be rather fast to scan.
>
> I have been trying to handle the lockup(!), my best idea is to
> put in an artificial page that serves as a cursor...
You have to "move the list head".
If you do that, you are free to "start at the beginning"
(which has changed) each time...
regards,
Rik
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next prev parent reply other threads:[~2000-05-04 18:59 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <390E1534.B33FF871@norran.net>
2000-05-01 23:23 ` kswapd @ 60-80% CPU during heavy HD i/o Rik van Riel
2000-05-01 23:33 ` David S. Miller
2000-05-02 0:07 ` Rik van Riel
2000-05-02 0:23 ` David S. Miller
2000-05-02 1:03 ` Rik van Riel
2000-05-02 1:13 ` David S. Miller
2000-05-02 1:31 ` Rik van Riel
2000-05-02 1:51 ` Andrea Arcangeli
2000-05-03 17:11 ` [PATCHlet] " Rik van Riel
2000-05-02 7:56 ` michael
2000-05-02 16:17 ` Roger Larsson
2000-05-02 15:43 ` Rik van Riel
2000-05-02 16:20 ` Andrea Arcangeli
2000-05-02 17:06 ` Rik van Riel
2000-05-02 21:14 ` Stephen C. Tweedie
2000-05-02 21:42 ` Rik van Riel
2000-05-02 22:34 ` Stephen C. Tweedie
2000-05-04 12:37 ` [PATCH][RFC] Alternate shrink_mmap Roger Larsson
2000-05-04 14:34 ` Rik van Riel
2000-05-04 22:38 ` [PATCH][RFC] Another shrink_mmap Roger Larsson
2000-05-04 15:25 ` [PATCH][RFC] Alternate shrink_mmap Roger Larsson
2000-05-04 18:30 ` Rik van Riel
2000-05-04 20:44 ` Roger Larsson
2000-05-04 18:59 ` Rik van Riel [this message]
2000-05-04 22:29 ` Roger Larsson
2000-05-02 18:03 ` kswapd @ 60-80% CPU during heavy HD i/o Roger Larsson
2000-05-02 17:37 ` Rik van Riel
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