Re: [PATCH V7 0/4] mm/kvm/vfio/ppc64: Migrate compound pages out of CMA region

From: Michael Ellerman
Date: Wed Feb 27 2019 - 06:30:08 EST

"Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx> writes:
> Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> writes:
>> [patch 1/4]: OK. I guess. Was this worth consuming our last PF_ flag?
> That was done based on request from Andrea and it also helps in avoiding
> allocating pages from CMA region where we know we are anyway going to
> migrate them out. So yes, this helps.
>> [patch 2/4]: unreviewed
>> [patch 3/4]: unreviewed, mpe still unhappy, I expect?
> I did reply to that email. I guess mpe is ok with that?

It would be nice to fold your explanation about DAX into the change log,
so it's there for people to see.

And I think my comment about initialising ret still stands.