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[2003:cb:c737:1900:16b0:8dc:77e:31af]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3730826ecf9sm11145694f8f.117.2024.08.26.10.18.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Aug 2024 10:18:53 -0700 (PDT) Message-ID: Date: Mon, 26 Aug 2024 19:18:52 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/5] mm: khugepaged: expand the is_refcount_suitable() to support file folios To: Baolin Wang , akpm@linux-foundation.org Cc: hughd@google.com, willy@infradead.org, 21cnbao@gmail.com, ryan.roberts@arm.com, shy828301@gmail.com, ziy@nvidia.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: 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: 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: bgaxnudxaxcgkwpipsfoqar74mb7nxdj X-Rspamd-Queue-Id: 5380DA0002 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1724692737-540289 X-HE-Meta: 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 omfYTGmy 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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 20.08.24 11:49, Baolin Wang wrote: > Expand the is_refcount_suitable() to support reference checks for file folios, > as preparation for supporting shmem mTHP collapse. > > Signed-off-by: Baolin Wang > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb