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[2003:cb:c707:7600:5c18:5a7d:c5b7:e7a9]) by smtp.gmail.com with ESMTPSA id p37-20020a05600c1da500b00412b011458fsm23765wms.30.2024.02.27.01.18.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Feb 2024 01:18:05 -0800 (PST) Message-ID: <7fda8dac-6590-46da-a3ad-8e463196aa85@redhat.com> Date: Tue, 27 Feb 2024 10:18:04 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm: export folio_pte_batch as a couple of modules might need it To: Barry Song <21cnbao@gmail.com>, akpm@linux-foundation.org, linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Barry Song , Lance Yang , Ryan Roberts , Yin Fengwei References: <20240227024050.244567-1-21cnbao@gmail.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: <20240227024050.244567-1-21cnbao@gmail.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: 4apc91jums3aofqmick6tx3g31w9fg4b X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 4C2752001C X-Rspam-User: X-HE-Tag: 1709025490-721449 X-HE-Meta: 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 tmjzYbrW 6rk15ERNwScN/ksIcqL9W+LsFa31OSUYzdU8QVohfO4J0Toza1kWpxGb6u+dV/YS1j1V6gsmha7bFIgZ3TcQSoFywjTux3Ij8DBXM549+2o3P9WWI/vBLEeCDrsyIZOE1ygLrSv/z/Rs7CoR582s3GPHSfswx9HYr+xKZQTB9ILhHpKNnoKYu/822xzGtWo0NkGg/FDbCYBQnFnRo5aY7nxRFug== 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 27.02.24 03:40, Barry Song wrote: > From: Barry Song > Nit: "mm: make folio_pte_batch available outside of mm/memory.c" > madvise and some others might need folio_pte_batch to check if a range > of PTEs are completely mapped to a large folio with contiguous physcial s/physcial/physical/ > addresses. Let's export it for others to use. > Nit: "Let's make it available in mm/internal.h" (talking about exporting and modules sounds like EXPORT_SYMBOL) > Cc: Lance Yang > Cc: Ryan Roberts > Cc: David Hildenbrand > Cc: Yin Fengwei > Signed-off-by: Barry Song -- Cheers, David / dhildenb