From: Nigel Cunningham <ncunningham@clear.net.nz>
To: Pavel Machek <pavel@ucw.cz>
Cc: "Grover, Andrew" <andrew.grover@intel.com>,
"Martin J. Bligh" <mbligh@aracnet.com>,
Marc Giger <gigerstyle@gmx.ch>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Linux Kernel Development <linux-kernel@vger.kernel.org>
Subject: Re: Fix SWSUSP & !SWAP
Date: Thu, 24 Apr 2003 12:02:30 +1200 [thread overview]
Message-ID: <1051142550.4306.10.camel@laptop-linux> (raw)
In-Reply-To: <20030424000344.GC32577@atrey.karlin.mff.cuni.cz>
I don't believer I've ever seen things get OOM killed. Instead, page
cache is discarded until things do fit.
Regards,
Nigel
On Thu, 2003-04-24 at 12:03, Pavel Machek wrote:
> Hi!
>
> > > From: Martin J. Bligh [mailto:mbligh@aracnet.com]
> > > Can't you just create a pre-reserved separate swsusp area on
> > > disk the size
> > > of RAM (maybe a partition rather than a file to make things
> > > easier), and
> > > then you know you're safe (basically what Marc was
> > > suggesting, except pre-allocated)? Or does that make me the
> > > prince of all evil? ;-)
> > >
> > > However much swap space you allocate, it can always all be
> > > used, so that seems futile ...
> >
> > This is what Other OSes do, and I believe this is the correct path.
> > Using swap for swsusp is a clever hack but not a 100% solution.
>
> Well, for normal use its clearly inferior -- suspend partition is unused
> when it could be used for speeding system up by swapping out unused
> stuff.
>
> OtherOS approach is better because it can guarantee suspend-to-disk
> for critical situations like overheat or battery-critical.
>
> But we can get best of both worlds if we OOM-kill during critical
> suspend. [If suspend partition was not used for swapping, machine
> would *already* OOM-killed someone, so we are only improving stuff].
>
> Pavel
--
Nigel Cunningham
495 St Georges Road South, Hastings 4201, New Zealand
Be diligent to present yourself approved to God as a workman who does
not need to be ashamed, handling accurately the word of truth.
-- 2 Timothy 2:14, NASB.
next prev parent reply other threads:[~2003-04-23 23:55 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-23 23:47 Fix SWSUSP & !SWAP Grover, Andrew
2003-04-24 0:03 ` Pavel Machek
2003-04-23 23:57 ` Martin J. Bligh
2003-04-24 0:25 ` Pavel Machek
2003-04-24 0:37 ` CaT
2003-04-24 0:49 ` Martin J. Bligh
2003-04-24 9:16 ` Pavel Machek
2003-04-24 0:02 ` Nigel Cunningham [this message]
2003-04-24 0:23 ` Pavel Machek
2003-04-24 0:45 ` Martin J. Bligh
2003-04-24 3:17 ` Nigel Cunningham
2003-04-24 4:37 ` Martin J. Bligh
2003-04-24 7:49 ` Marc Giger
2003-04-24 9:27 ` Pavel Machek
2003-04-24 3:49 ` David Ford
2003-04-24 6:54 ` Jörn Engel
2003-04-24 7:01 ` Elladan
-- strict thread matches above, loose matches on Subject: below --
2003-04-23 13:51 Pavel Machek
2003-04-23 14:32 ` Geert Uytterhoeven
2003-04-23 14:47 ` Pavel Machek
2003-04-23 15:56 ` gigerstyle
2003-04-23 19:41 ` Nigel Cunningham
2003-04-23 20:36 ` Marc Giger
2003-04-23 22:25 ` Nigel Cunningham
2003-04-23 23:28 ` Martin J. Bligh
2003-04-23 23:58 ` Pavel Machek
2003-04-23 23:55 ` Martin J. Bligh
2003-04-24 0:07 ` Andrew Morton
2003-04-24 0:17 ` CaT
2003-04-24 0:16 ` Nigel Cunningham
2003-04-24 0:26 ` Randy.Dunlap
2003-04-24 0:31 ` CaT
2003-04-24 0:38 ` Andrew Morton
2003-04-24 0:54 ` CaT
2003-04-24 1:06 ` Andrew Morton
2003-04-24 8:48 ` John Bradford
2003-04-24 0:37 ` Andrew Morton
2003-04-24 9:12 ` Pavel Machek
2003-04-24 9:25 ` Andrew Morton
2003-04-24 9:35 ` Pavel Machek
2003-04-24 9:46 ` Andrew Morton
2003-04-24 11:13 ` Nigel Cunningham
2003-04-24 11:36 ` Andrew Morton
2003-04-24 14:26 ` Pavel Machek
2003-04-24 16:37 ` Andreas Dilger
2003-04-24 20:48 ` Pavel Machek
2003-04-24 21:46 ` Andreas Dilger
2003-04-25 1:09 ` Nigel Cunningham
2003-04-25 12:59 ` Pavel Machek
2003-04-25 16:20 ` Andreas Dilger
2003-04-25 18:28 ` Nigel Cunningham
2003-04-25 19:32 ` Jamie Lokier
2003-04-25 19:58 ` Andreas Dilger
2003-04-27 18:59 ` Pavel Machek
2003-04-24 11:36 ` Geert Uytterhoeven
2003-04-25 1:22 ` H. Peter Anvin
2003-04-25 1:19 ` Nigel Cunningham
2003-04-25 1:31 ` Hua Zhong
2003-04-25 19:41 ` H. Peter Anvin
2003-04-25 4:27 ` Andreas Dilger
2003-04-25 4:33 ` H. Peter Anvin
2003-04-24 0:25 ` Pavel Machek
2003-04-24 9:01 ` Andrew Morton
2003-04-24 9:14 ` Pavel Machek
2003-04-24 9:05 ` Jamie Lokier
2003-04-24 9:34 ` Pavel Machek
2003-04-24 15:22 ` Carl-Daniel Hailfinger
2003-04-24 8:00 ` Marc Giger
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