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From: Rik van Riel <H.H.vanRiel@phys.uu.nl>
To: Linux MM <linux-mm@kvack.org>
Subject: Re: Page cache ageing: yae or nae?
Date: Wed, 29 Jul 1998 20:00:48 +0200 (CEST)	[thread overview]
Message-ID: <Pine.LNX.3.96.980729200036.12136H-100000@mirkwood.dummy.home> (raw)

On Wed, 29 Jul 1998, Stephen C. Tweedie wrote:

> Right, but we don't need page aging to address that.  Currently we don't
> set the page referenced bit on a readahead IO; setting that bit will be
> sufficient to guard the page for at least one full pass of the
> shrink_mmap scan.

Hmm, one full pass of shrink_mmap will probably take quite a
number of calls to that function, since without aging we are
able to find far more freeable pages...

At the moment I'm super-busy with my (vacation) job, but I
might be able to find some time this weekend. Maybe some
folks on linux-mm have spare time?

Rik.
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             reply	other threads:[~1998-07-29 21:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1998-07-29 18:00 Rik van Riel [this message]
  -- strict thread matches above, loose matches on Subject: below --
1998-07-27 10:51 Stephen C. Tweedie
1998-07-28 16:13 ` Rik van Riel
1998-07-29 11:12   ` Stephen C. Tweedie

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