From: Linus Torvalds <torvalds@transmeta.com>
To: Marcelo Tosatti <marcelo@conectiva.com.br>
Cc: "Stephen C. Tweedie" <sct@redhat.com>,
"David S. Miller" <davem@redhat.com>,
Rik van Riel <riel@conectiva.com.br>,
linux-mm@kvack.org
Subject: Re: Subtle MM bug
Date: Tue, 9 Jan 2001 15:58:59 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.10.10101091557460.2815-100000@penguin.transmeta.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0101091929140.7500-100000@freak.distro.conectiva>
On Tue, 9 Jan 2001, Marcelo Tosatti wrote:
>
> > > The second problem is that background scanning is being done
> > > unconditionally, and it should not. You end up getting all pages with the
> > > same age if the system is idle. Look at this example (2.4.1-pre1):
> >
> > I agree. However, I think that we do want to do some background scanning
> > to push out dirty pages in the background, kind of like bdflush. It just
> > shouldn't age the pages (and thus not move them to the inactive list).
>
> Actually it must age the pages, but aging should not be unconditional.
No, I'm saying that "the background scanning" should not do the page
aging.
Obviously "refill_inactive()" needs to do the page aging. I'm just not at
all convinced that "background scanning" == "refill_inactive()".
Linus
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux.eu.org/Linux-MM/
next prev parent reply other threads:[~2001-01-09 23:58 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 ` Linus Torvalds [this message]
2001-01-09 22:21 ` Subtle MM bug 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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.LNX.4.10.10101091557460.2815-100000@penguin.transmeta.com \
--to=torvalds@transmeta.com \
--cc=davem@redhat.com \
--cc=linux-mm@kvack.org \
--cc=marcelo@conectiva.com.br \
--cc=riel@conectiva.com.br \
--cc=sct@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox