From: Rik van Riel <riel@conectiva.com.br>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: "David S. Miller" <davem@redhat.com>,
Marcelo Tosatti <marcelo@conectiva.com.br>,
linux-mm@kvack.org
Subject: Re: Subtle MM bug
Date: Mon, 8 Jan 2001 14:45:15 -0200 (BRDT) [thread overview]
Message-ID: <Pine.LNX.4.21.0101081443360.21675-100000@duckman.distro.conectiva> (raw)
In-Reply-To: <Pine.LNX.4.10.10101072223160.29065-100000@penguin.transmeta.com>
On Sun, 7 Jan 2001, Linus Torvalds wrote:
> /*
> * Too many active pages? That implies that we don't have enough
> * of a working set for page_launder() to do a good job. Start by
> * walking the VM space..
> */
> if ((nr_active_pages >> 1) > total_pages)
> swap_out();
>
> /*
> * This is where we actually free memory
> */
> page_launder(..);
Ahhh, but this is NOT the balancing problem we're trying to
pin down in 2.4...
The (possible) problem is in the balancing between swap_out()
and refill_inactive_scan().
regards,
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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next prev parent reply other threads:[~2001-01-08 16:45 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200101080602.WAA02132@pizda.ninka.net>
2001-01-08 6:42 ` Linus Torvalds
2001-01-08 13:11 ` Marcelo Tosatti
2001-01-08 16:42 ` Rik van Riel
2001-01-08 17:43 ` Linus Torvalds
2001-01-08 13:57 ` Stephen C. Tweedie
2001-01-08 17:29 ` Linus Torvalds
2001-01-08 18:10 ` Stephen C. Tweedie
2001-01-08 21:52 ` Marcelo Tosatti
2001-01-09 0:28 ` Linus Torvalds
2001-01-08 23:49 ` Marcelo Tosatti
2001-01-09 3:12 ` Linus Torvalds
2001-01-09 20:33 ` Marcelo Tosatti
2001-01-09 22:44 ` Linus Torvalds
2001-01-09 21:33 ` Marcelo Tosatti
2001-01-09 22:11 ` Yet another bogus piece of do_try_to_free_pages() Marcelo Tosatti
2001-01-10 0:06 ` Linus Torvalds
2001-01-10 6:39 ` Marcelo Tosatti
2001-01-10 22:19 ` Roger Larsson
2001-01-11 0:11 ` Zlatko Calusic
2001-01-17 6:58 ` Rik van Riel
2001-01-17 6:07 ` Marcelo Tosatti
2001-01-17 19:04 ` Zlatko Calusic
2001-01-17 19:22 ` Ingo Molnar
2001-01-18 0:55 ` Rik van Riel
2001-01-17 6:52 ` Rik van Riel
2001-01-09 23:58 ` Subtle MM bug Linus Torvalds
2001-01-09 22:21 ` Marcelo Tosatti
2001-01-10 0:23 ` Linus Torvalds
2001-01-10 0:12 ` Marcelo Tosatti
2001-01-10 11:29 ` Stephen C. Tweedie
2001-01-11 3:30 ` Marcelo Tosatti
2001-01-11 9:42 ` Stephen C. Tweedie
2001-01-11 15:24 ` Marcelo Tosatti
2001-01-17 4:54 ` Rik van Riel
2001-01-08 16:45 ` Rik van Riel [this message]
2001-01-08 17:50 ` Linus Torvalds
2001-01-08 18:21 ` Rik van Riel
2001-01-08 18:38 ` Linus Torvalds
2001-01-07 20:59 Zlatko Calusic
2001-01-07 21:37 ` Rik van Riel
2001-01-07 22:33 ` Zlatko Calusic
2001-01-09 2:01 ` Zlatko Calusic
2001-01-17 4:48 ` Rik van Riel
2001-01-17 18:53 ` Zlatko Calusic
2001-01-18 1:32 ` Rik van Riel
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