Re: Software suspend testing in 2.6.0-test1

From: Pavel Machek (
Date: Fri Jul 18 2003 - 13:04:49 EST


> > 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.

When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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