Pavel Machek <pavel@ucw.cz> wrote:
>
> > It would be much better to freeze kernel threads _after_ doing the big
> > memory shrink.
>
> 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.
freeze(threads which have task->mm)
shrink_memory();
freeze(threads which have !task->mm)
That's pretty simple.
> I'd like to avoid having refrigerator run in two phases....
The whole thing can deadlock without kernel thread services.
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This archive was generated by hypermail 2b29 : Wed Jul 23 2003 - 22:00:35 EST