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b=guHG9jw3N8I+xNLsa3f9nQa+Pmm2chRIav6Y51f4z/2JnAkdTEpX16Fbp74Vrsyfq Np8Ej508J36pKV5jc21t9LWaCvrngApFoEihPykdHOB5+GRDryzPG5TRTewk4V23Sz Wr1eyMyqWy6ZZ+F5Cg3X12kq4hY2A384zk5sqv9uxI9kYUl62ub6ovbRSafVvtZrfl 6XKUvmI+uG20ar43iJqGmP1+y4MMzYu18Ha5HWbnYJKTCIPh1LgnmAMv/Ck9tJ6Hns CchYrBzdmIMmlYg8vgJvzobxdWYpN0Q+T4STBKBmXwKXv4BxtnsW0+vvdlw/o6oT0c XGofgnumfQ/Zw== Message-ID: <7e21f06e-6948-465c-b531-100749a76b26@kernel.org> Date: Wed, 4 Feb 2026 17:35:33 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv6 04/17] mm: Move set/clear_compound_head() next to compound_head() To: Kiryl Shutsemau , Andrew Morton , Muchun Song , Matthew Wilcox , Usama Arif , Frank van der Linden Cc: Oscar Salvador , Mike Rapoport , Vlastimil Babka , 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> <20260202155634.650837-5-kas@kernel.org> From: "David Hildenbrand (arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 1BB3E1C0009 X-Stat-Signature: k6kd4aj9kem33o5t3tqowcs77t6kx36s X-Rspam-User: X-HE-Tag: 1770222942-996334 X-HE-Meta: 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 8yR25m+9 ja6Qh8tGDLG26+53y0vCWS8RtZuts7nMQDDhlLoTAgUbvzcXwoVwcRbTwfEfE8SVtSyEe+9eL7cSjq4x0Pg5E4TkuJ23KP89K30PILH1u765SpMRUZZfo+6i/qiwn8h5YaiAfcz79YypRTKy2HyU9VOrRBLv47o8erKajina0paIHrlGAL91XWfemnYA1JVuJZxyvxeWQ4ZWj3qNfZXyT4W03qJV3AySraLUWS227OeEiQOLlBHFaH4GhDIP356F/X0YFb2gcRikUUlBQMsJUmCKup7YoKftJCI9KGr9SgpAqpRgY02pYahhw2T/hK73DenGimwl/opZEYeYYOoWkdCi87gecDDZlC6aO 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: > Move set_compound_head() and clear_compound_head() to be adjacent to the > compound_head() function in page-flags.h. > > These functions encode and decode the same compound_info field, so > keeping them together makes it easier to verify their logic is > consistent, especially when the encoding changes. > > Signed-off-by: Kiryl Shutsemau > Reviewed-by: Muchun Song > Reviewed-by: Zi Yan > --- > include/linux/page-flags.h | 24 ++++++++++++------------ > 1 file changed, 12 insertions(+), 12 deletions(-) > > diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h > index aa46d49e82f7..d14a17ffb55b 100644 > --- a/include/linux/page-flags.h > +++ b/include/linux/page-flags.h > @@ -290,6 +290,18 @@ static __always_inline unsigned long _compound_head(const struct page *page) > > #define compound_head(page) ((typeof(page))_compound_head(page)) > > +static __always_inline void set_compound_head(struct page *page, > + const struct page *head, > + unsigned int order) ^ :) Acked-by: David Hildenbrand (arm) -- Cheers, David