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[80.187.83.189]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46fb48a6069sm36473545e9.20.2025.10.10.02.02.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Oct 2025 02:02:38 -0700 (PDT) Message-ID: <1be7d08f-7de4-4f7d-8897-ef90d2188d5a@redhat.com> Date: Fri, 10 Oct 2025 11:02:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/4] Support dynamic (de)configuration of memory To: Heiko Carstens , Andrew Morton Cc: Sumanth Korikkar , linux-mm , LKML , linux-s390 , Gerald Schaefer , Vasily Gorbik , Alexander Gordeev References: <20251009131839.3739108-1-sumanthk@linux.ibm.com> <20251010082422.9132Ab1-hca@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 ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZoEEwEIAEQCGwMCF4ACGQEFCwkIBwICIgIG FQoJCAsCBBYCAwECHgcWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaJzangUJJlgIpAAKCRBN 3hD3AP+DWhAxD/9wcL0A+2rtaAmutaKTfxhTP0b4AAp1r/eLxjrbfbCCmh4pqzBhmSX/4z11 opn2KqcOsueRF1t2ENLOWzQu3Roiny2HOU7DajqB4dm1BVMaXQya5ae2ghzlJN9SIoopTWlR 0Af3hPj5E2PYvQhlcqeoehKlBo9rROJv/rjmr2x0yOM8qeTroH/ZzNlCtJ56AsE6Tvl+r7cW 3x7/Jq5WvWeudKrhFh7/yQ7eRvHCjd9bBrZTlgAfiHmX9AnCCPRPpNGNedV9Yty2Jnxhfmbv Pw37LA/jef8zlCDyUh2KCU1xVEOWqg15o1RtTyGV1nXV2O/mfuQJud5vIgzBvHhypc3p6VZJ lEf8YmT+Ol5P7SfCs5/uGdWUYQEMqOlg6w9R4Pe8d+mk8KGvfE9/zTwGg0nRgKqlQXrWRERv cuEwQbridlPAoQHrFWtwpgYMXx2TaZ3sihcIPo9uU5eBs0rf4mOERY75SK+Ekayv2ucTfjxr Kf014py2aoRJHuvy85ee/zIyLmve5hngZTTe3Wg3TInT9UTFzTPhItam6dZ1xqdTGHZYGU0O otRHcwLGt470grdiob6PfVTXoHlBvkWRadMhSuG4RORCDpq89vu5QralFNIf3EysNohoFy2A LYg2/D53xbU/aa4DDzBb5b1Rkg/udO1gZocVQWrDh6I2K3+cCs7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20251010082422.9132Ab1-hca@linux.ibm.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: IG5ow0g1S03E9nvtNhV3_Kn1YeQF7FAlgu3jj4LaZ-0_1760086962 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: 8tyan3bcij3456yxbmca66jps51ipobp X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 64408180018 X-HE-Tag: 1760086965-130403 X-HE-Meta: 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 n9yrep+K 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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 10.10.25 10:24, Heiko Carstens wrote: > On Thu, Oct 09, 2025 at 03:18:35PM +0200, Sumanth Korikkar wrote: >> Hi, >> >> Patchset provides a new interface for dynamic configuration and >> deconfiguration of hotplug memory on s390, allowing with/without >> memmap_on_memory support. It is a follow up on the discussion with David >> when introducing memmap_on_memory support for s390 and support dynamic >> (de)configuration of memory: >> https://lore.kernel.org/all/ee492da8-74b4-4a97-8b24-73e07257f01d@redhat.com/ >> https://lore.kernel.org/all/20241202082732.3959803-1-sumanthk@linux.ibm.com/ > > Andrew, David, we would like to carry this series via the s390 tree, > including the fourth patch, which is common code only. > > Is this ok for both of you? Fine with me, I don't expect a lot of memory hotplug changes that could interact. As an alternative, we could route #4 separately later through mm. But this one feels like it can just all go through the mm tree if Andrew is fine with it. -- Cheers David / dhildenb