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[2003:cb:c737:1900:16b0:8dc:77e:31af]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3730810ffb9sm11051554f8f.7.2024.08.26.08.05.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Aug 2024 08:05:18 -0700 (PDT) Message-ID: <533f4e56-1471-4ca4-b598-eca4b3a1e156@redhat.com> Date: Mon, 26 Aug 2024 17:05:17 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/6] mm: migrate_device: use a folio in migrate_device_range() To: Kefeng Wang , Andrew Morton Cc: Matthew Wilcox , Baolin Wang , Zi Yan , Alistair Popple , Jonathan Corbet , linux-mm@kvack.org References: <20240826065814.1336616-1-wangkefeng.wang@huawei.com> <20240826065814.1336616-3-wangkefeng.wang@huawei.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20240826065814.1336616-3-wangkefeng.wang@huawei.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: t8r8fa8bgmaoonu7jwqg5p3d7bd6deqb X-Rspamd-Queue-Id: 8F19118002F X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1724684723-918054 X-HE-Meta: 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 5ZlbX9BM 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 26.08.24 08:58, Kefeng Wang wrote: > Save two calls to compound_head() and use folio throughout. > > Signed-off-by: Kefeng Wang > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb