Re: [PATCH] mm: Save soft-dirty bits on file pages

[Cyrill Gorcunov]

On Sat, Jul 27, 2013 at 10:06:01AM -0700, Andy Lutomirski wrote:
> 
> That being said, a MAP_PRIVATE, un-cowed mapping must be clean -- if
> it had been (soft-)dirtied, it would also have been cowed.  So you
> might be okay.

Yas, as far as I know we are either cow'ed or in clean state, thus
either soft-bit set on #pf (and when reclaimed rest in file-pte)
or it remains clean and there is no change we need to track.
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