On Mon, 1 Aug 2005, Hugh Dickins wrote:
>
> Attractive, I very much wanted to do that rather than change all the
> arches, but I think s390 rules it out: its pte_mkdirty does nothing,
> its pte_dirty just says no.
How does s390 work at all?
> Or should we change s390 to set a flag in the pte just for this purpose?
If the choice is between a broken and ugly implementation for everybody
else, then hell yes. Even if it's a purely sw bit that nothing else
actually cares about.. I hope they have an extra bit around somewhere.
Linus
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