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
prev parent 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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