From: "Stephen C. Tweedie" <sct@redhat.com>
To: riel@nl.linux.org
Cc: linux-mm@kvack.org
Subject: Re: pressuring dirty pages (2.3.99-pre6)
Date: Mon, 24 Apr 2000 22:27:02 +0100 [thread overview]
Message-ID: <20000424222702.C3389@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0004241650140.5572-200000@duckman.conectiva>; from riel@conectiva.com.br on Mon, Apr 24, 2000 at 04:54:38PM -0300
Hi,
On Mon, Apr 24, 2000 at 04:54:38PM -0300, Rik van Riel wrote:
>
> I've been trying to fix the VM balance for a week or so now,
> and things are mostly fixed except for one situation.
>
> If there is a *heavy* write going on and the data is in the
> page cache only .. ie. no buffer heads available, then the
> page cache will grow almost without bounds and kswapd and
> the rest of the system will basically spin in shrink_mmap()...
shrink_mmap is the problem then -- it should be giving up
sooner and letting try_to_swap_out() deal with the pages. mmap()ed
dirty pages can only be freed through swapper activity, not via
shrink_mmap().
--Stephen
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next prev parent reply other threads:[~2000-04-24 21:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-04-24 19:54 pressuring dirty pages (2.3.99-pre6) Rik van Riel
2000-04-24 21:27 ` Stephen C. Tweedie [this message]
2000-04-24 22:42 ` Rik van Riel
2000-04-25 9:35 ` Stephen C. Tweedie
2000-04-25 15:25 ` Rik van Riel
2000-04-25 13:58 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2000-04-25 14:27 Mark_H_Johnson.RTS
2000-04-25 16:30 ` Stephen C. Tweedie
2000-04-25 19:14 ` Eric W. Biederman
2000-04-25 19:47 ` Rik van Riel
2000-04-26 11:43 ` Stephen C. Tweedie
2000-04-26 11:06 ` Stephen C. Tweedie
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