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From: Pavel Machek <pavel@ucw.cz>
To: Patrick Mochel <mochel@osdl.org>
Cc: Andrew Morton <akpm@osdl.org>,
	Peter Osterlund <petero2@telia.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Software suspend testing in 2.6.0-test1
Date: Fri, 18 Jul 2003 20:04:49 +0200	[thread overview]
Message-ID: <20030718180449.GB195@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.44.0307181101110.22018-100000@cherise>

Hi!

> > I wanted to avoid that: we do want user threads refrigerated at that
> > point so that we know noone is allocating memory as we are trying to
> > do memory shrink. I'd like to avoid having refrigerator run in two
> > phases....
> 
> But we should be the only process running, and we can guarantee that by 
> not sleeping and doing preempt_disable() when we begin. Especially 
> if we start the refrigeration sequence after we shrink
> memory. Right? 

If we refrigerate after we shrink, userspace can allocate everything
just after shrink.
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]

  reply	other threads:[~2003-07-18 17:50 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-17 19:46 Software suspend testing in 2.6.0-test1 Peter Osterlund
2003-07-17 20:00 ` Pavel Machek
2003-07-17 20:09   ` Andrew Morton
2003-07-18  9:59     ` Peter Osterlund
2003-07-18 10:24       ` Andrew Morton
2003-07-18 15:22         ` Pavel Machek
2003-07-18 15:55           ` Peter Osterlund
2003-07-18 16:45             ` Andrew Morton
2003-07-18 17:50               ` Pavel Machek
2003-07-18 18:02                 ` Patrick Mochel
2003-07-18 18:04                   ` Pavel Machek [this message]
2003-07-18 21:05                     ` Nigel Cunningham
2003-07-18 19:37                 ` Andrew Morton
2003-07-18 19:58               ` Peter Osterlund
2003-07-18 20:15                 ` Andrew Morton
2003-07-18 22:13                   ` Pavel Machek
2003-07-20  0:22                   ` Peter Osterlund
2003-07-20  1:01                     ` Andrew Morton
2003-07-20  7:45                       ` Peter Osterlund
2003-07-18 21:05               ` Nigel Cunningham
2003-07-21 10:00   ` Peter Osterlund
2003-07-21 12:58     ` Pavel Machek
2003-07-21 14:36       ` Peter Osterlund
2003-07-21 21:28         ` Pavel Machek
2003-07-21 23:46           ` Peter Osterlund
2003-07-22 11:04             ` Pavel Machek

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