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[80.187.83.110]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46fa9c2a39dsm7457035e9.18.2025.10.07.12.39.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Oct 2025 12:40:00 -0700 (PDT) Message-ID: Date: Tue, 7 Oct 2025 21:39:58 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/4] s390/sclp: Remove MHP_OFFLINE_INACCESSIBLE To: Sumanth Korikkar , Andrew Morton , linux-mm Cc: LKML , linux-s390 , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Alexander Gordeev References: <20250926131527.3260733-1-sumanthk@linux.ibm.com> <20250926131527.3260733-4-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 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: <20250926131527.3260733-4-sumanthk@linux.ibm.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: uJm9tBJAC-fHUjCkAkf0m2I8-aMbvpZbjQc5x51QyII_1759866001 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: DE2A820002 X-Stat-Signature: xrxn5mafx1g11chkwarkzn9b6oftop6k X-HE-Tag: 1759866005-13044 X-HE-Meta: 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 cU7ftVhi 1l30FH/cEUNGIQd7Os1tXi9GKEEp9gvb61u4pbMIZMM7Kcb+4mEEH/9wp8uUOjEA3cKb6EuXiZ6MNq7GntYS6kXNG6A== 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 26.09.25 15:15, Sumanth Korikkar wrote: > mhp_flag MHP_OFFLINE_INACCESSIBLE was used to mark memory as not > accessible until memory hotplug online phase begins. > > Earlier, standby memory blocks were added upfront during boottime and > MHP_OFFLINE_INACCESSIBLE flag avoided page_init_poison() on memmap > during mhp addtion phase. > > However with dynamic runtime configuration of memory, standby memory can > be brought to accessible state before performing add_memory(). Hence, > remove MHP_OFFLINE_INACCESSIBLE. > > Acked-by: Heiko Carstens > Signed-off-by: Sumanth Korikkar > --- Reviewed-by: David Hildenbrand -- Cheers David / dhildenb