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

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Message-Id: <87mumhtxxx.fsf@linux.ibm.com>
Date:   Wed, 27 Feb 2019 14:22:58 +0530
From:   "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Michal Hocko <mhocko@...nel.org>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        David Gibson <david@...son.dropbear.id.au>,
        Andrea Arcangeli <aarcange@...hat.com>, mpe@...erman.id.au,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH V7 0/4] mm/kvm/vfio/ppc64: Migrate compound pages out of CMA region

Andrew Morton <akpm@...ux-foundation.org> 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?

> [patch 4/4]: unreviewed

-aneesh