From: Zlatko Calusic <zlatko@iskon.hr>
To: Roger Larsson <roger.larsson@norran.net>
Cc: Alan Cox <alan@redhat.com>, "linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: reduce shrink_mmap rate of failure (initial attempt)
Date: 07 Jun 2000 15:22:29 +0200 [thread overview]
Message-ID: <dnbt1dzkve.fsf@magla.iskon.hr> (raw)
In-Reply-To: 393D8E26.E51525CB@norran.net
Roger Larsson <roger.larsson@norran.net> writes:
> Hi all,
>
> This is a trivial first attempt to reduce shrink_mmap failures
> (leading to swap)
>
> It is against 2.4.0-test1-ac7-riel3 but that is almost what
> we have currently - and it is trivial to apply with an editor.
>
> It might be possible to improve this further - but it is a start.
> (Time for bed...)
>
Very nice idea, but...
I tried exactly that a week or two ago and it was freezing the system
like Juan noted (under heavy I/O loads). That's very unfortunate
because it is my opinion too that shrink_mmap() fails too easily and
falls back to swapping when it really shouldn't do that.
Regards,
--
Zlatko
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next prev parent reply other threads:[~2000-06-07 13:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-06 23:49 reduce shrink_mmap rate of failure (initial attempt) Roger Larsson
2000-06-07 3:01 ` Quintela Carreira Juan J.
2000-06-07 13:22 ` Zlatko Calusic [this message]
-- strict thread matches above, loose matches on Subject: below --
2000-06-07 14:04 Roger Larsson
2000-06-07 14:35 ` Rik van Riel
2000-06-08 0:04 ` Roger Larsson
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