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Date: Sat, 21 Apr 2001 14:51:25 -0300 (BRST)
From: Rik van Riel <riel@conectiva.com.br>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: try_to_swap_out() deactivating pages w. count > 2
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Message-ID: <Pine.LNX.4.21.0104211450560.1685-100000@imladris.rielhome.conectiva>
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On Sat, 21 Apr 2001, Linus Torvalds wrote:
> In article <Pine.LNX.4.21.0104211336390.1685-100000@imladris.rielhome.conectiva>,
> Rik van Riel  <riel@conectiva.com.br> wrote:
> >
> >What I _am_ worried about is the fact that we do this to pages with
> >a really high page age. These things are in active use and cannot
> >be swapped out any time soon, yet we do claim swap space for it ...
> 
> Ehh... And if we didn't do that, then how could they every become less
> active?
> 
> We should _absolutely_ do the swap space reclaiming without looking at
> the page count.

page->age != page->count

Rik
--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

		http://www.surriel.com/
http://www.conectiva.com/	http://distro.conectiva.com.br/

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