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b=TKWBXLyNCdFchULyM4e6Qnn0+fNTSqbcC4mqTMW//aMh/p21/6Ly0aql6Fda4s4xp HvZz3Gzt32dxhVEwYxwARMuSBHQHXGfzMRvaYlrh0cywJg+pNkv5sf26/QFhSlvm7q b8jc6mMNUjb+i7C2/tLepIXyrFk9Srb2fc/GD7slcCnwcg7qs8BwJr0PQ/KcCGxqiA vEq6mMT4B1eKUpL2jd0W6OaqwR6imJDEeYlDD8t1ipMLgZAeuTxmJeVsuBM6sE3BBx aAXBUDXf4L5c5VXyAvVxm58UULRPAohQ/RD4KHZV8vG3WNoS7w2rhe3HryL6C4AKtn z4aMShcnqUZGQ== Message-ID: Date: Tue, 18 Aug 2026 20:13:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 01/57] mm: add pte_folio() To: Rik van Riel , Kiryl Shutsemau , akpm@linux-foundation.org, ljs@kernel.org, nico.pache@linux.dev Cc: baolin.wang@linux.alibaba.com, baohua@kernel.org, dev.jain@arm.com, hughd@google.com, lance.yang@linux.dev, liam@infradead.org, mhocko@suse.com, rppt@kernel.org, ryan.roberts@arm.com, shuah@kernel.org, surenb@google.com, usama.arif@linux.dev, vbabka@kernel.org, ziy@nvidia.com, usama.anjum@arm.com, agordeev@linux.ibm.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, kas@kernel.org, jannh@google.com, willy@infradead.org, pfalcato@suse.de, rostedt@goodmis.org, mhiramat@kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org References: <20260816224609.308019-1-kirill@shutemov.name> <20260816224609.308019-2-kirill@shutemov.name> <905d08d102e56a026a5ad69573c507d2d9becc37.camel@surriel.com> 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-Queue-Id: E5DC24000A X-Stat-Signature: zanzgwp9tfbnwi8pqh6uiy6r5ejsec5y X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1787076840-364830 X-HE-Meta: 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 3g3SJoYu z9HaWTTeRPfmX+WN4iRkTJtdEEpvKfUv8/3QLgXnO0np3JYVwYhU0CnGaRlNOl0V+/nnBqGfIVo4croP/SysuabA32PwCn+RsKC7VFXz/c1GfO1d2CXpdCA5rYsE9RXgjtKs+iWTx/g642dMMSkEgRmNjCMCdn/uvqwiE/bVIxux7nb1LbHXBwm1ePGOfRK3wkg7CWF9danlvUsGfZNhensoxsg9Pj23ka0JbMcZdVRs7aEOUtOuel0R9hSbnGr/qVSFZrUmGWcSIrfJi6437u4wnX9yQp+mWfaRViQqneIB3gt34nGiyHCTtAzIeIoymvHafT7Y0d3G2r2g= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 8/18/26 18:38, Rik van Riel wrote: > On Sun, 2026-08-16 at 23:45 +0100, Kiryl Shutsemau wrote: >> From: "Kiryl Shutsemau (Meta)" >> >> Callers that want the folio behind a present PTE spell it out as >> page_folio(pte_page(pte)). >> >> Add pte_folio() as the folio companion to pte_page(), and convert the >> callers in fs/proc/task_mmu.c and mm/hugetlb.c. >> >> Preparation for the anonymous collapse engine, which reads the folio >> behind a PTE in several places. >> >> Assisted-by: Claude-Code:claude-opus-5 >> Signed-off-by: Kiryl Shutsemau (Meta) > > Oh nice, this could clean up some things in the > get_user_pages code too, when we get around to > tech debt there. We really need the page in GUP code ... -- Cheers, David