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[2003:cb:c70c:cd00:c139:924e:3595:3b5]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43186beff9dsm27280575e9.22.2024.10.23.14.45.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Oct 2024 14:45:45 -0700 (PDT) Message-ID: Date: Wed, 23 Oct 2024 23:45:43 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm: Fix PSWPIN counter for large folios swap-in To: Barry Song <21cnbao@gmail.com>, akpm@linux-foundation.org, linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Barry Song , Chris Li , Yosry Ahmed , Baolin Wang , "Huang, Ying" , Kairui Song , Ryan Roberts , Kanchana P Sridhar , Usama Arif References: <20241023210201.2798-1-21cnbao@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: <20241023210201.2798-1-21cnbao@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-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 114E71C0006 X-Stat-Signature: dmsjjx6bd9rtczcuwfnsi78tcfzme6bx X-Rspam-User: X-HE-Tag: 1729719943-405188 X-HE-Meta: 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 bNz+qjeH 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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 23.10.24 23:02, Barry Song wrote: > From: Barry Song > > Similar to PSWPOUT, we should count the number of base pages > instead of large folios. > > Fixes: 242d12c98174 ("mm: support large folios swap-in for sync io devices") > Cc: Chris Li > Cc: Yosry Ahmed > Cc: Baolin Wang > Cc: David Hildenbrand > Cc: "Huang, Ying" > Cc: Kairui Song > Cc: Ryan Roberts > Cc: Kanchana P Sridhar > Cc: Usama Arif > Signed-off-by: Barry Song > --- > mm/page_io.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > Acked-by: David Hildenbrand -- Cheers, David / dhildenb