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SubjectRe: Regression: x86/mm: new _PTE_SWP_SOFT_DIRTY bit conflicts with existing use
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OK now I'm confused.  I guess I shouldn't comment while on vacation and cache cold on everything.

Cyrill Gorcunov <gorcunov@gmail.com> wrote:
>On Wed, Aug 21, 2013 at 04:11:25PM +0200, H. Peter Anvin wrote:
>>
>> Eep. This should be reverted, indeed. This isn't a manifest bug on
>!Xen but we
>> have gotten requests for WT support which would mean adding in the
>PAT but again.
>
>Please no, letme fix it. That's what I'm having in mind: don't use pse
>bit in swap
>entry but always mark page read from swap as dirty one (it's better
>than having
>no tracker at all and will be the case on old machines with 32bit ptes
>only).

--
Sent from my mobile phone. Please excuse brevity and lack of formatting.


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