Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH 00/16] mm/hmm/nouveau: THP mapping and migration
To:     Jason Gunthorpe <jgg@mellanox.com>
CC:     <nouveau@lists.freedesktop.org>, <linux-rdma@vger.kernel.org>,
        <linux-mm@kvack.org>, <linux-kselftest@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, Jerome Glisse <jglisse@redhat.com>,
        "John Hubbard" <jhubbard@nvidia.com>,
        Christoph Hellwig <hch@lst.de>,
        Ben Skeggs <bskeggs@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Shuah Khan <shuah@kernel.org>
References: <20200619215649.32297-1-rcampbell@nvidia.com>
 <20200622123947.GC2590509@mellanox.com>
From:   Ralph Campbell <rcampbell@nvidia.com>
Message-ID: <05bcdcd7-d17b-9092-1a9c-759fb0eab728@nvidia.com>
Date:   Mon, 22 Jun 2020 09:58:54 -0700
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.2.2
MIME-Version: 1.0
In-Reply-To: <20200622123947.GC2590509@mellanox.com>
Content-Type: text/plain; charset="utf-8"; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk


On 6/22/20 5:39 AM, Jason Gunthorpe wrote:
> On Fri, Jun 19, 2020 at 02:56:33PM -0700, Ralph Campbell wrote:
>> These patches apply to linux-5.8.0-rc1. Patches 1-3 should probably go
>> into 5.8, the others can be queued for 5.9. Patches 4-6 improve the HMM
>> self tests. Patch 7-8 prepare nouveau for the meat of this series which
>> adds support and testing for compound page mapping of system memory
>> (patches 9-11) and compound page migration to device private memory
>> (patches 12-16). Since these changes are split across mm core, nouveau,
>> and testing, I'm guessing Jason Gunthorpe's HMM tree would be appropriate.
> 
> You need to break this up into parts that go where they need to
> go. Nouveau rc changes should go to DRM or some series needs to
> explain the linkage
> 
>> Ralph Campbell (16):
>>    mm: fix migrate_vma_setup() src_owner and normal pages
>>    nouveau: fix migrate page regression
>>    nouveau: fix mixed normal and device private page migration
>>    mm/hmm: fix test timeout on slower machines
>>    mm/hmm/test: remove redundant page table invalidate
>>    mm/hmm: test mixed normal and device private migrations
>>    nouveau: make nvkm_vmm_ctor() and nvkm_mmu_ptp_get() static
>>    nouveau/hmm: fault one page at a time
>>    mm/hmm: add output flag for compound page mapping
>>    nouveau/hmm: support mapping large sysmem pages
>>    hmm: add tests for HMM_PFN_COMPOUND flag
>>    mm/hmm: optimize migrate_vma_setup() for holes
> 
> Order things so it is hmm, test, noeveau
> 
>>    mm: support THP migration to device private memory
>>    mm/thp: add THP allocation helper
>>    mm/hmm/test: add self tests for THP migration
>>    nouveau: support THP migration to private memory
> 
> This is another series, you should split it even if it has to go
> through the hmm tree
> 
> Jason

Thanks. I thought there was probably a better way to submit this but
I posted everything so people could see how it all fit together.