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[2003:d8:2f4a:5800:f1ae:8e20:d7f4:51b0]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-442cd3b7e26sm159121325e9.37.2025.05.12.01.04.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 May 2025 01:04:07 -0700 (PDT) Message-ID: <5988076f-90c1-492d-aa44-b2ca3882923c@redhat.com> Date: Mon, 12 May 2025 10:04:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/2] mm: convert do_set_pmd() to take a folio To: Baolin Wang , akpm@linux-foundation.org, willy@infradead.org Cc: hannes@cmpxchg.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, ziy@nvidia.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <110c3e1ec5fe7854a0e2c95ffcbc985817180ed7.1747017104.git.baolin.wang@linux.alibaba.com> <9b488f4ecb4d3fd8634e3d448dd0ed6964482480.1747017104.git.baolin.wang@linux.alibaba.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 50C56C0004 X-Stat-Signature: ft5h9a6k6umgrhxp4pfni5sqfh93ebi8 X-HE-Tag: 1747037052-345097 X-HE-Meta: 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 0cMflKzi 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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 12.05.25 04:57, Baolin Wang wrote: > In do_set_pmd(), we always use the folio->page to build PMD mappings for > the entire folio. Since all callers of do_set_pmd() already hold a stable > folio, converting do_set_pmd() to take a folio is safe and more straightforward. > > In addition, to ensure the extensibility of do_set_pmd() for supporting > larger folios beyond PMD size, we keep the 'page' parameter to specify > which page within the folio should be mapped. > > No functional changes expected. > > Signed-off-by: Baolin Wang > Reviewed-by: Zi Yan Acked-by: David Hildenbrand -- Cheers, David / dhildenb