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(p200300d82f035b00f549a879b2d373ee.dip0.t-ipconnect.de. [2003:d8:2f03:5b00:f549:a879:b2d3:73ee]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a4efe73f01sm5509207f8f.45.2025.05.30.12.44.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 May 2025 12:45:00 -0700 (PDT) Message-ID: <8a8f5b77-3564-454b-930c-63ccddda4a2a@redhat.com> Date: Fri, 30 May 2025 21:44:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 3/6] mm/page_alloc: add support for initializing pageblock as isolated. To: Zi Yan , Johannes Weiner , Vlastimil Babka , linux-mm@kvack.org Cc: Andrew Morton , Oscar Salvador , Baolin Wang , "Kirill A . Shutemov" , Mel Gorman , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Richard Chang , linux-kernel@vger.kernel.org References: <20250530162227.715551-1-ziy@nvidia.com> <20250530162227.715551-4-ziy@nvidia.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: <20250530162227.715551-4-ziy@nvidia.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: poG9d2e7NRG65lXT1u29xWh_JEt4hNTjCLgly5tVaQs_1748634301 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: 595B410000B X-Stat-Signature: rjuqeoxsgu7rog9fpb5y64of6d8fzcbx X-Rspam-User: X-HE-Tag: 1748634306-217571 X-HE-Meta: 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 sRM0Gi+z 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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 30.05.25 18:22, Zi Yan wrote: > MIGRATE_ISOLATE is a standalone bit, so a pageblock cannot be initialized > to just MIGRATE_ISOLATE. Add init_pageblock_migratetype() to enable > initialize a pageblock with a migratetype and isolated. > > Signed-off-by: Zi Yan > Reviewed-by: Vlastimil Babka > --- [...] > set_zone_contiguous(zone); > } > @@ -1127,7 +1129,8 @@ int mhp_init_memmap_on_memory(unsigned long pfn, unsigned long nr_pages, > if (mhp_off_inaccessible) > page_init_poison(pfn_to_page(pfn), sizeof(struct page) * nr_pages); > > - move_pfn_range_to_zone(zone, pfn, nr_pages, NULL, MIGRATE_UNMOVABLE); > + move_pfn_range_to_zone(zone, pfn, nr_pages, NULL, MIGRATE_UNMOVABLE, > + false); Nit: Likely indentation suboptimal? Acked-by: David Hildenbrand -- Cheers, David / dhildenb