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Tue, 10 Feb 2026 15:06:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 0/HQDlxJi2njUgAAD6G6ig (envelope-from ); Tue, 10 Feb 2026 15:06:04 +0000 Message-ID: <4dd46022-b534-4aea-889a-03a7ac25da22@suse.cz> Date: Tue, 10 Feb 2026 16:06:03 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv6 02/17] mm: Change the interface of prep_compound_tail() Content-Language: en-US To: Kiryl Shutsemau , Andrew Morton , Muchun Song , David Hildenbrand , Matthew Wilcox , Usama Arif , Frank van der Linden Cc: Oscar Salvador , Mike Rapoport , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , Huacai Chen , WANG Xuerui , Palmer Dabbelt , Paul Walmsley , Albert Ou , Alexandre Ghiti , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org References: <20260202155634.650837-1-kas@kernel.org> <20260202155634.650837-3-kas@kernel.org> From: Vlastimil Babka Autocrypt: addr=vbabka@suse.cz; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 05FE8180017 X-Stat-Signature: idibeknpsc5kpwuignqgqoyh76b4byb6 X-Rspam-User: X-HE-Tag: 1770735965-212144 X-HE-Meta: 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 g031dSkt qLmwYWhyyLE1ODPPeZ1CKwhIMzYCwY9JyfqI9OStWYvVkgOrHwlKL8DIkkkfCEI8sqZF6+mdEuDf3dD/aAaJ1EisRIxPTC6HR1khaD9Cewl0X+Gsby8Pqm3JM8+AcTsXRHW0a1a9IuK7zuhhYqg+w5JoUKk5DyhLeqAnRGns2OGSVJjnKVlIp+FoMTir4mV5xJ8o+NlU2wOvmXTos/t/hs8jIun3KcEPn96ih9rrC+iBxXfQGYM79qIzQNHOICjIXOGMrWjSMW5R3IjSmTjkDSIfaZnmj4t8+T+TosM/odSJhvQu6MFgt3l4y5VaPIip7Fh4w0NP7cMaCqhdt8O2UfwTubJxJyW8tfIWWbfloWwTOIdwj97uAATAsMN058/obks7b 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 2/2/26 16:56, Kiryl Shutsemau wrote: > Instead of passing down the head page and tail page index, pass the tail > and head pages directly, as well as the order of the compound page. > > This is a preparation for changing how the head position is encoded in > the tail page. > > Signed-off-by: Kiryl Shutsemau > Reviewed-by: Muchun Song > Reviewed-by: Zi Yan Reviewed-by: Vlastimil Babka