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([2a09:80c0:192:0:5dac:bf3d:c41:c3e7]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-452730d1686sm128626015e9.36.2025.06.10.00.51.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Jun 2025 00:51:16 -0700 (PDT) Message-ID: <3b21411d-ff6a-4657-a1eb-020104c549ea@redhat.com> Date: Tue, 10 Jun 2025 09:51:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 05/10] mm,memory-tiers: Use node-notifier instead of memory-notifier To: Oscar Salvador , Andrew Morton Cc: Vlastimil Babka , Jonathan Cameron , Harry Yoo , Rakie Kim , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Joshua Hahn , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20250609092149.312114-1-osalvador@suse.de> <20250609092149.312114-6-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: <20250609092149.312114-6-osalvador@suse.de> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: pniT_QP7hs8zSjigzOd4FaJf87kG7ZMQ8-XZBZha1ds_1749541877 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: rspam12 X-Rspamd-Queue-Id: 484A74000D X-Stat-Signature: 5bdoujo453a7hffxdm5ooxbn8x3r1pes X-Rspam-User: X-HE-Tag: 1749541880-567837 X-HE-Meta: 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 ZH8ZDe6f 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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 09.06.25 11:21, Oscar Salvador wrote: > memory-tier is only concerned when a numa node changes its memory state, > because it then needs to re-create the demotion list. > So stop using the memory notifier and use the new numa node notifer > instead. > > Signed-off-by: Oscar Salvador > Reviewed-by: Jonathan Cameron > Reviewed-by: Harry Yoo > Reviewed-by: Vlastimil Babka > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb