On Mon, 2006-04-03 at 15:18 +1000, Con Kolivas wrote:
> On Monday 03 April 2006 15:14, Mike Galbraith wrote:
> > If that dinky 16MB zone still exists, and always appears nearly full, be
> > happy. It used to be a real PITA.
>
> That's not the point. If you try to do any allocation anywhere else it also
> checks that zone, and it will find it full (always) leading to reclaim all
> over the place for no good reason. This has nothing to do with actually
> wanting to use that space or otherwise.
That doesn't make any sense. Why would you scan/reclaim if the zone is
not depleted?
Like I said, I'm _way_ out of date. The problem scenario used to be
that you run low on memory, dip into dinky dma zone, pin it, then grind
to powder trying to find a reclaimable dma page.
-Mike
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