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Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Qi Zheng , Lance Yang , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Content-Transfer-Encoding: quoted-printable Message-Id: <434B0573-BF18-4413-9BDF-C5873CC13206@linux.dev> References: <20261010075755.83339-1-songmuchun@bytedance.com> <20261010075755.83339-7-songmuchun@bytedance.com> To: Muchun Song X-Mailer: Apple Mail (2.3901.100.1.1.12) X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 919A4120003 X-Stat-Signature: rhxbrd5677u6zsnyijr3uizbtzxbaqe6 X-HE-Tag: 1791624798-592339 X-HE-Meta: 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 MmNYfd60 Va647D80k7XijU6sBqmS/YKTxgX5KmazabEY5ujbM0NxnYa0RxCgd+3/hrg3YNudUnbkD744O9qi8V29UK+ikGuPT4inaxNmZALdm5CsF4PiKXLqBPJNB/YH+AmyFX1eViqeUu8SsyAm1g/u2PwFcAArcX4HweSZGFCr76nHY1/4F8M2Z+5v5qy+0QAKQgXDB6VD/8s1nGO5lv3jPeD8najYwDUdoW7pQ546JJ5D/DbKuBhX4p1kliZ0yW2WWOeyRQng7jw6Fb/ARqFL1NyGfz8Ns7qWmlos3ceC158/3WbUlArxD5ugUm2SUrjWJYZPABAl7BwFAjQtIGAUI8EU96KBboZvoDtqWWv/YLcY3dE9tOWvLKmYrQIdlQXNpHmbV/b8I5jenjOvzzI5RjZTz3ilOxQcTO+HBGf3tjpiIy7sCcktssqHi4hEChxGIuL2s4bBLZGOM+2X4ofwn2w+Yp/nTUA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Oct 10, 2026, at 15:57, Muchun Song = wrote: >=20 > For vmemmap-optimized sections, tail struct pages may be backed by > shared vmemmap pages. Those shared pages must carry the same page zone > ID as the struct pages initialized for the section. >=20 > Warn in __init_single_page() if the shared tail page has a different > page_zone_id(), which would indicate inconsistent initialization. Please ignore Sashiko's report [1], both are false positive. It didn't realize that shared vmemmap pages are initialized early before = __init_single_page(). [1] = https://sashiko.dev/#/patchset/20261010075755.83339-1-songmuchun%40bytedan= ce.com?part=3D6 Thanks.=