Re: [PATCH 3.11 54/66] mm: migration: do not lose soft dirty bit if page is in migration state

Cyrill Gorcunov
2013-11-27T11:51:01Z

On Wed, Nov 27, 2013 at 12:38:10PM +0100, William Dauchy wrote:
> Hi Greg,
>
> I was wondering if v3.10.x stable branch was also concerned by this
> patch since I did not found it in this later branch.
> Maybe too hard to backport? (I saw that it requires new functions like
> pte_swp_soft_dirty which is not present in v3.10.x)
> Maybe it was planned in the future?

"Soft dirty bit" feature introduced in 3.11 kernel and as far as I know
we've no plans to backport it on 3.10 series.