From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: jonathan@jonmasters.org
Cc: Lars Marowsky-Bree <lmb@suse.de>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Thomas Habets <thomas@habets.pp.se>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] oom_pardon, aka don't kill my xlock
Date: Mon, 27 Sep 2004 10:35:54 -0300 [thread overview]
Message-ID: <20040927133554.GD30956@logos.cnet> (raw)
In-Reply-To: <35fb2e590409270612524c5fb9@mail.gmail.com>
On Mon, Sep 27, 2004 at 02:12:26PM +0100, Jon Masters wrote:
> Hi all,
>
> Just out of interest then...suppose we've got a loopback swap device
> and that we can extend this by creating a new file or extending
> somehow the existing one.
>
> What would be wrong with having the page reclaim algorithms use one of
> the low memory watermarks as a trigger to call in to userspace to
> extend the swap available if possible? This is probably what Microsoft
> et al do with their "Windows is extending your virtual memory, yada
> yada blah blah". Comments? Already done?
You dont to change kernel code for that - make a script to monitor
swap usage, as soon as it gets below a given watermark, you swapon
whatever swapfile you want.
Makes sense yes.
next prev parent reply other threads:[~2004-09-27 15:20 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-22 23:23 [PATCH] oom_pardon, aka don't kill my xlock Thomas Habets
2004-09-23 0:01 ` Nick Piggin
2004-09-23 0:07 ` William Lee Irwin III
2004-09-23 4:45 ` Tonnerre
2004-09-23 6:57 ` Thomas Habets
2004-09-23 12:24 ` Tonnerre
2004-09-23 13:32 ` Thomas Habets
2004-09-23 23:45 ` Andries Brouwer
2004-09-24 13:19 ` Alan Cox
2004-09-24 19:58 ` Thomas Habets
2004-09-24 21:15 ` Alan Cox
2004-09-25 10:08 ` Thomas Habets
2004-09-27 10:41 ` Marcelo Tosatti
2004-09-27 12:54 ` Lars Marowsky-Bree
2004-09-27 13:12 ` Jon Masters
2004-09-27 12:36 ` Alan Cox
2004-09-27 13:35 ` Marcelo Tosatti [this message]
2004-09-27 15:59 ` Jon Masters
2004-09-27 17:12 ` Herbert Poetzl
2004-09-27 16:42 ` Marcelo Tosatti
2004-09-28 13:33 ` Herbert Poetzl
2004-09-28 12:32 ` Marcelo Tosatti
2004-09-28 23:55 ` Herbert Poetzl
2004-09-27 23:07 ` Jon Masters
2004-09-29 0:49 ` Andries Brouwer
2004-09-24 14:07 ` Pavel Machek
2004-09-24 22:57 ` Jon Masters
2004-09-25 16:32 ` Andrea Arcangeli
-- strict thread matches above, loose matches on Subject: below --
2004-09-27 12:00 Thomas Habets
2004-09-27 12:17 ` Jon Masters
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