On Thu, Jun 30, 2016 at 9:39 PM, Dave Hansen <d...@sr71.net> wrote: > > I think what you suggest will work if we don't consider A/D in > pte_none(). I think there are a bunch of code path where assume that > !pte_present() && !pte_none() means swap.
Yeah, we would need to change pte_none() to mask off D/A, but I think
that might be the only real change needed (other than making sure that
we don't use the bits in the swap entries, I didn't look at that part
at all)
Linus
