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b=lS0PsNXH9/7mKjFbl7P6BYXKU5yTyrWNZZgvFNT4ECWzUajz0KDb7gPKpFteZGR3F xd0gnK4HNCVXh9YpkBomXUnaGgldp1N6Rgf8QdFarxvNkGe6W4L9e0UWPDkWcrgBr1 6YbftjhWSFs9ocW1Ak31uKAKbdPErLg7x9IGs6ryGTEwqny4xCRIi4C/M2iZOLX0ld I1hCgyfHQGxJk+lopAMeHCpqY1kTYSNWnOxYeXL0B+8TZ2oztbYTDOeXzuT/AbE3Cm JWAojxIDMDmnmBOnAWUQ41bnzyxd/N0ZFQOzZW7WR9rTWTsLFwV9NPP46L9zsQ+dsN 2Uz8Da6DiL9bA== Message-ID: <02c62e7b-9ece-4334-8312-52d635dc6171@kernel.org> Date: Mon, 16 Mar 2026 17:30:48 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv7 05/18] riscv/mm: Align vmemmap to maximal folio size To: "Kiryl Shutsemau (Meta)" , 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: <20260227194302.274384-1-kas@kernel.org> <20260227194302.274384-6-kas@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 4242480003 X-Stat-Signature: hdmsqb8ugfyup5beg6s6zrj66x4nnwb3 X-Rspam-User: X-HE-Tag: 1773678659-487228 X-HE-Meta: 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 iIKr3Ybv 4d4uS1r5bQbXmB/40SO7O7zkIZH0tHxxfaELd75/q8NjTuf/ZqI737y0CQX1f26ifuW1cjo72uY0Bet64p9ZQfQuEwDN3HlzGJKDoiOEt1iY6aPlfXDK3Qe6kZqKy65cOm42f0g0gUkJN6mlGiJLb7TjDQJp4HiE6f+4UzOHNSpDX1s2Mwfw9mO6p0chSPu63CtxFTg09Desf0u2zIL/7AR8themuKzYqW+n0uhWuM2MoQ2dpsf0pCRiSWzKnQ59+rVZ3MzYKCNGCdaz5tObhoS54Vsh1994GBEcj Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2/27/26 20:42, Kiryl Shutsemau (Meta) wrote: > From: Kiryl Shutsemau > > The upcoming change to the HugeTLB vmemmap optimization (HVO) requires > struct pages of the head page to be naturally aligned with regard to the > folio size. > > Align vmemmap to the newly introduced MAX_FOLIO_VMEMMAP_ALIGN. > > Signed-off-by: Kiryl Shutsemau > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David