Re: pipe/page fault oddness.

[Linus Torvalds]

On Mon, Oct 6, 2014 at 3:18 PM, Aneesh Kumar K.V
<aneesh.kumar@xxxxxxxxxxxxxxxxxx> wrote:
>
> Are we still looking at these options ? I could look at implementing the
> first option which will also enable us to free up one pte bit.

We definitely are. If you can test my patch (with the small follow-up
fix), and do the necessary changes for ppc64, that would be good.

I looked quickly at the ppc64 side, and it didn't look too painful.
Using pte_protnone() instead of pte_numa() should remove move lines
than it adds there too..

            Linus
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