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Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <56df2cf900132ae12e8b71ed95519b5b476e1618.1773865827.git.ljs@kernel.org> From: Baolin Wang In-Reply-To: <56df2cf900132ae12e8b71ed95519b5b476e1618.1773865827.git.ljs@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: ojq7fiemzfakh8jusx7zyo9rx8eqizdj X-Rspam-User: X-Rspamd-Queue-Id: E223380010 X-Rspamd-Server: rspam12 X-HE-Tag: 1773904342-69805 X-HE-Meta: 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 JWP0CxfS zlNSgpJlZMug7dmK44ngfW6uRgGTcnS90tnfvlkgLPOJ1GfskA1dzxQLIbG+O/HxvWD9cHJRqcyXjtYchdxpurwGGRvgd5FnMLkZVYrWrwUGWm0ZgW0PvXnrBkYbxKFIAZWgLRDq9+fjei/ae73ZZ9U0FFPjnOd6zvzfbSTd18akIRawbVPNgqzLmOHL/LKLvUPizaWAY3bEcfZpu8Af/zheaeYje01zGE88SXIBAKVGO2LYpPki6EvnJd4wANn3+LRJiYxhNagVzw+sHaut3r+GYLQ1VoB8moxgY92HXFcu+2NS00U2Vtz+mmEVqluYFepxTBzurl8SiifY94LpoSpsA2ULDyMvyGiTNg8SC0pFZJPhdjxUzzSfPhQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 3/19/26 4:39 AM, Lorenzo Stoakes (Oracle) wrote: > This has been around since the beginnings of the THP implementation. I > think we can safely assume that, if we have a THP folio, it will have a > head page. > > Signed-off-by: Lorenzo Stoakes (Oracle) > --- Yes, it is under the PTL, so the PMD entry should be stable. I also can't think of any case where it can be not a head page. Reviewed-by: Baolin Wang