From: David Ford <david+cert@blue-labs.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: "Grover, Andrew" <andrew.grover@intel.com>,
"Martin J. Bligh" <mbligh@aracnet.com>,
Nigel Cunningham <ncunningham@clear.net.nz>,
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: Wed, 23 Apr 2003 23:49:49 -0400 [thread overview]
Message-ID: <3EA75EDD.20605@blue-labs.org> (raw)
In-Reply-To: <20030424000344.GC32577@atrey.karlin.mff.cuni.cz>
I honestly don't see OOMing as an acceptable practice. If I wanted to
kill a bunch of stuff just to suspend, I would have simply shut the
system down. That isn't my intent or desire. I want to suspend the
system just as it is without OOMing a bunch of programs.
David
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
>
>
>
next prev parent reply other threads:[~2003-04-24 3:38 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
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 [this message]
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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