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[2003:cb:c714:e000:d929:2324:97c7:112c]) by smtp.gmail.com with ESMTPSA id d5-20020adfef85000000b0032fb46812c2sm130769wro.12.2023.11.16.10.43.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Nov 2023 10:43:01 -0800 (PST) Message-ID: <7245df6e-8947-45f3-aaeb-c690dc1433f6@redhat.com> Date: Thu, 16 Nov 2023 19:43:00 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/8] mm: use vmem_altmap code without CONFIG_ZONE_DEVICE To: Sumanth Korikkar , linux-mm , Andrew Morton Cc: Oscar Salvador , Michal Hocko , "Aneesh Kumar K.V" , Anshuman Khandual , Gerald Schaefer , Alexander Gordeev , Heiko Carstens , Vasily Gorbik , linux-s390 , LKML References: <20231114180238.1522782-1-sumanthk@linux.ibm.com> <20231114180238.1522782-4-sumanthk@linux.ibm.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: <20231114180238.1522782-4-sumanthk@linux.ibm.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-Queue-Id: E1497140009 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 4trsii4a58rkz8ghb6h5reji7jiczn46 X-HE-Tag: 1700160185-622496 X-HE-Meta: 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 DVydXCAy OiMOvi3QwOnKy3j3fReBKuwmOPb32yOpDTpbeFNvoMC8+YCd8hVNsFFfL2ygySiH42FgmaRx1gQYHZO2Nqxt1ids8W9Ob/m/EVyL5IDoaT5bRdlt9vxuC/nKusCdg2tq5Hfd81pAVi4C2fopQaaeMW3AofX7t5aaG3K8gEi42Q6DETS7YDFgKsOjVERA4Bqw2h7muXHk70Ed7RiPvHcwKkK5AdJXW28qbe4MzctOnpu/CG1+9s+3KuIxfOqZaygYp5B34mWYh8/FxCDsssuJpOehX9fpYFuar0nVxEaFzV3hrUASw2J1Bcoe8noodrM0gwzuaxj+lGcZbModhW+cHWYFyGedVSk1eN6yzyouHHg0nlZcEBvq5jI8mUkjmV3CNr52kQOoaqixbDxu6ZEJip9NZvvfn6cmLXA5L9/SAx0CCB4s= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000029, 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 14.11.23 19:02, Sumanth Korikkar wrote: > vmem_altmap_free() and vmem_altmap_offset() could be utlized without > CONFIG_ZONE_DEVICE enabled. Hence, move it to sparse-vmemmap.c Maybe give an example: For example mm/memory_hotplug.c:__add_pages() relies on that. The altmap is no longer restricted to ZONE_DEVICE handling. Reviewed-by: David Hildenbrand -- Cheers, David / dhildenb