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b=QS+RqqJp4xFBciwjIpM8IvOrkwSEkDs/o/d0JaHh1Zu2Ht7JZeqvqawy+CpTT0ETA oVPRtWyov7cBBH7RkabLeSHcwZoMSVe6xjGQ/uXZC6deBrAaksnEQGDqPDUjEL5FE1 lT6DK0zBbh9fQvIKuUqR1oEjor8vCZyM2e4+KsdeIoP+rv5dOej6uBljW2d9yUV+7t +H6JjU4tavbT5GlVpYm2P1fBIyhO6J7qK8A3SYn3bepGyWPu1IdEMCjr3drKq7oKEN pQZheTC5Or9j0dY4jAg35xY1QBb042TYWEw9+b5H3Qy6GP7i2kyU2ABR1kq4I+AXk3 GKfkufUC224mQ== Message-ID: <7b785e34-4d49-48d2-b438-afa1def3ec0f@kernel.org> Date: Mon, 23 Mar 2026 18:44:28 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v11 01/16] set_memory: set_direct_map_* to take address To: "Kalyazin, Nikita" , "kvm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.linux.dev" , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , "bpf@vger.kernel.org" , "linux-kselftest@vger.kernel.org" , "kernel@xen0n.name" , "linux-riscv@lists.infradead.org" , "linux-s390@vger.kernel.org" , "loongarch@lists.linux.dev" , "linux-pm@vger.kernel.org" Cc: "pbonzini@redhat.com" , "corbet@lwn.net" , "maz@kernel.org" , "oupton@kernel.org" , "joey.gouly@arm.com" , "suzuki.poulose@arm.com" , "yuzenghui@huawei.com" , "catalin.marinas@arm.com" , "will@kernel.org" , "seanjc@google.com" , "tglx@kernel.org" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "x86@kernel.org" , "hpa@zytor.com" , "luto@kernel.org" , "peterz@infradead.org" , "willy@infradead.org" , "akpm@linux-foundation.org" , "lorenzo.stoakes@oracle.com" , "vbabka@kernel.org" , "rppt@kernel.org" , "surenb@google.com" , "mhocko@suse.com" , "ast@kernel.org" , "daniel@iogearbox.net" , "andrii@kernel.org" , "martin.lau@linux.dev" , "eddyz87@gmail.com" , "song@kernel.org" , "yonghong.song@linux.dev" , "john.fastabend@gmail.com" , "kpsingh@kernel.org" , "sdf@fomichev.me" , "haoluo@google.com" , "jolsa@kernel.org" , "jgg@ziepe.ca" , "jhubbard@nvidia.com" , "peterx@redhat.com" , "jannh@google.com" , "pfalcato@suse.de" , "skhan@linuxfoundation.org" , "riel@surriel.com" , "ryan.roberts@arm.com" , "jgross@suse.com" , "yu-cheng.yu@intel.com" , "kas@kernel.org" , "coxu@redhat.com" , "kevin.brodsky@arm.com" , "ackerleytng@google.com" , "yosry@kernel.org" , "ajones@ventanamicro.com" , "maobibo@loongson.cn" , "tabba@google.com" , "prsampat@amd.com" , "wu.fei9@sanechips.com.cn" , "mlevitsk@redhat.com" , "jmattson@google.com" , "jthoughton@google.com" , "agordeev@linux.ibm.com" , "alex@ghiti.fr" , "aou@eecs.berkeley.edu" , "borntraeger@linux.ibm.com" , "chenhuacai@kernel.org" , "dev.jain@arm.com" , "gor@linux.ibm.com" , "hca@linux.ibm.com" , "palmer@dabbelt.com" , "pjw@kernel.org" , "shijie@os.amperecomputing.com" , "svens@linux.ibm.com" , "thuth@redhat.com" , "wyihan@google.com" , "yang@os.amperecomputing.com" , "Jonathan.Cameron@huawei.com" , "Liam.Howlett@oracle.com" , "urezki@gmail.com" , "zhengqi.arch@bytedance.com" , "gerald.schaefer@linux.ibm.com" , "jiayuan.chen@shopee.com" , "lenb@kernel.org" , "osalvador@suse.de" , "pavel@kernel.org" , "rafael@kernel.org" , "vannapurve@google.com" , "jackmanb@google.com" , "aneesh.kumar@kernel.org" , "patrick.roy@linux.dev" , "Thomson, Jack" , "Itazuri, Takahiro" , "Manwaring, Derek" References: <20260317141031.514-1-kalyazin@amazon.com> <20260317141031.514-2-kalyazin@amazon.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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 B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+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: <20260317141031.514-2-kalyazin@amazon.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam12 X-Stat-Signature: r5oq8ro411itum1dsshzrj5gcsnswzy4 X-Rspamd-Queue-Id: 5BDFA8000F X-Rspam-User: X-HE-Tag: 1774287893-348820 X-HE-Meta: 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 ENZ0+OM6 tAnDSrp6nprxv7fsiy4CpgeS1SAzDnOMFIvBFr+0be1pJUOV/b8tHnWNOocLsyhQwDBeTAtIRPCYdacxnkQE0KDyq4P0tGQJeUwuNDBSsYM0tQb/2ry53HmVu2SN94kEVh8YcXA8tlh8+8UpsGjIXoJbS14tIcqetunySCHjkBgnNlc/C8f/ksLtujspRMJUONUYSJ++G31l9Zmq3lYrSQGtm7Z1tzbKJbQHd3SwSXaRuHt0YqkNuhi/UUpHCR5X1S8fQXPCXJB0pD1BRqc1AlzLOwU8ISfv6jHEq4wxqtUeyUypLVQGyItPiJiDnXSVQEvA8O1u7/lbwcq3r3mtPzuO7IJRyPw1+OYtFxXd7tgsqHOWrCmwNGFdujVJ1cjCqEpeTf0yxnGzwl63EjhLpEw1BZVEH4Q7vbUJ7ipRJze1Ny4CNoi2vyL9eXLL9SpT7tBo5ESw4JvJoM2DmL9mqN7+XoStSY2ltxpFj75aacb7tgok= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 3/17/26 15:10, Kalyazin, Nikita wrote: > From: Nikita Kalyazin > Just a nit while reading over it once more: restate what the patch subject says. Like "Let's convert set_direct_map_*() to take an address instead of a page to prepare for adding helpers that operate on folios; it will be more efficient to convert from a folio directly to an address without going through a page first." > This is to avoid excessive conversions folio->page->address when adding > helpers on top of set_direct_map_valid_noflush() in the next patch. > > Acked-by: David Hildenbrand (Arm) > Signed-off-by: Nikita Kalyazin > --- -- Cheers, David