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From: Michael Ellerman <mpe@ellerman.id.au>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@kernel.org>,
	Alexey Kardashevskiy <aik@ozlabs.ru>,
	David Gibson <david@gibson.dropbear.id.au>,
	Andrea Arcangeli <aarcange@redhat.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V7 0/4] mm/kvm/vfio/ppc64: Migrate compound pages out of CMA region
Date: Wed, 27 Feb 2019 22:29:59 +1100	[thread overview]
Message-ID: <878sy1h3k8.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <87mumhtxxx.fsf@linux.ibm.com>

"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> writes:
> Andrew Morton <akpm@linux-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?

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.

cheers

      reply	other threads:[~2019-02-27 11:30 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-14  9:54 [PATCH V7 0/4] mm/kvm/vfio/ppc64: Migrate compound pages out of CMA region Aneesh Kumar K.V
2019-01-14  9:54 ` [PATCH V7 1/4] mm/cma: Add PF flag to force non cma alloc Aneesh Kumar K.V
2019-01-29 22:52   ` Andrew Morton
2019-01-14  9:54 ` [PATCH V7 2/4] mm: Update get_user_pages_longterm to migrate pages allocated from CMA region Aneesh Kumar K.V
2019-01-14  9:54 ` Aneesh Kumar K.V
2019-01-14  9:54 ` [PATCH V7 3/4] powerpc/mm/iommu: Allow migration of cma allocated pages during mm_iommu_do_alloc Aneesh Kumar K.V
2019-01-30 11:34   ` Michael Ellerman
2019-01-31  4:42     ` Aneesh Kumar K.V
2019-01-14  9:54 ` [PATCH V7 4/4] powerpc/mm/iommu: Allow large IOMMU page size only for hugetlb backing Aneesh Kumar K.V
2019-01-14  9:54 ` [PATCH V7 5/5] testing Aneesh Kumar K.V
2019-01-15 11:25   ` Aneesh Kumar K.V
2019-01-29 22:56 ` [PATCH V7 0/4] mm/kvm/vfio/ppc64: Migrate compound pages out of CMA region Andrew Morton
2019-02-26 23:53 ` Andrew Morton
2019-02-27  8:52   ` Aneesh Kumar K.V
2019-02-27 11:29     ` Michael Ellerman [this message]

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