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[2003:d8:2f2c:5500:988:23f9:faa0:7232]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-454a9bead7csm51497585e9.39.2025.07.04.03.47.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 04 Jul 2025 03:47:42 -0700 (PDT) Message-ID: Date: Fri, 4 Jul 2025 12:47:41 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 5/5] mm,hugetlb: drop unlikelys from hugetlb_fault To: Oscar Salvador , Andrew Morton Cc: Muchun Song , Peter Xu , Gavin Guo , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20250630144212.156938-1-osalvador@suse.de> <20250630144212.156938-6-osalvador@suse.de> 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: <20250630144212.156938-6-osalvador@suse.de> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: DPsyp8TBaotyNJIMuXoOvSvWNCTNB1Rzd6OuVRMHoeQ_1751626063 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: xdjtg6fg6x4zck9stfpnmr5soyjsb6ww X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 61BF120008 X-HE-Tag: 1751626066-929275 X-HE-Meta: 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 FA7I8jYy 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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 30.06.25 16:42, Oscar Salvador wrote: > The unlikely predates an era where we were checking for > hwpoisoned/migration entries prior to checking whether the pte was > present. > > Currently, we check for the pte to be a migration/hwpoison entry after we > have checked that is not present, so it must be either one or the other. > > Link: https://lkml.kernel.org/r/20250627102904.107202-6-osalvador@suse.de > Signed-off-by: Oscar Salvador > Cc: David Hildenbrand > Cc: Gavin Guo > Cc: Muchun Song > Cc: Peter Xu > Signed-off-by: Andrew Morton > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb