Re: Suspend 2 merge

Pavel Machek
2004-11-26T22:48:06Z

Hi!

> > For swsusp2, you need drivers to stop the DMA, NMI not interfering,
> > sync may not happen after you have saved LRU, memory may not be
> > alocated from slab after you have saved LRU. (something else? This
> > needs to be written down somewhere, and all kernel hackers will need
> > to be carefull not to break these rules. Do you see why it wories me?)
> >
> > swsusp1 is more self-contained. As long as drivers stop the DMA and
> > NMI does nothing wrong, atomic snapshot will indeed be atomic.
>
> Here is a grabed memory allocate patch from suspend2, useful for shrink memory
> in high memory using system.

Sorry, I do not understand. What problem is this solving?
Pavel
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