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(p200300d82f42b000db8b7655f60f812b.dip0.t-ipconnect.de. [2003:d8:2f42:b000:db8b:7655:f60f:812b]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3e7607e40a5sm1677749f8f.60.2025.09.11.02.24.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Sep 2025 02:24:39 -0700 (PDT) Message-ID: <11f35ae6-2891-44cd-a670-92ef2151b885@redhat.com> Date: Thu, 11 Sep 2025 11:24:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 4/9] mm/memory: Add tree limit to free_pgtables() To: "Liam R. Howlett" , Andrew Morton Cc: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Lorenzo Stoakes , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Jann Horn , Pedro Falcato , Charan Teja Kalla , shikemeng@huaweicloud.com, kasong@tencent.com, nphamcs@gmail.com, bhe@redhat.com, baohua@kernel.org, chrisl@kernel.org, Matthew Wilcox References: <20250909190945.1030905-1-Liam.Howlett@oracle.com> <20250909190945.1030905-5-Liam.Howlett@oracle.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: <20250909190945.1030905-5-Liam.Howlett@oracle.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 036kPLo3m9ErCMDygJwMSLpFP4sAEBs5mTbz83ereU4_1757582680 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: 4D788A0006 X-Stat-Signature: wjs1majkcf76n4ay73p6jpm7i8kautpt X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1757582683-775673 X-HE-Meta: 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 LX+a2irn 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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: > +/* > + * free_pgtables() - Free a range of page tables > + * @tlb: The mmu gather > + * @mas: The maple state > + * @vma: The first vma > + * @floor: The lowest page table address > + * @ceiling: The highest page table address > + * @tree_max: The highest tree search address > + * @mm_wr_locked: boolean indicating if the mm is write locked I'm sure there is a good reason why we don't call this stuff here floor -> start ceiling -> end tree_max -> tree_end -- Cheers David / dhildenb