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From: Muchun Song In-Reply-To: <20251218150949.721480-4-kas@kernel.org> Date: Mon, 22 Dec 2025 10:55:18 +0800 Cc: Andrew Morton , David Hildenbrand , Matthew Wilcox , Usama Arif , Frank van der Linden , Oscar Salvador , Mike Rapoport , Vlastimil Babka , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <79633EDC-7CD1-4A2E-BEC9-44866F0D7741@linux.dev> References: <20251218150949.721480-1-kas@kernel.org> <20251218150949.721480-4-kas@kernel.org> To: Kiryl Shutsemau X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 9C8BB14000E X-Stat-Signature: d68bm7ijsqxaw9nb3wxytc3u6o9zzymr X-HE-Tag: 1766372161-851985 X-HE-Meta: U2FsdGVkX18rT2JRHojJelxpSikpmy/S4ieF9CsHW1XaoWVI8g7o22HWFFurZFOw9xk6j+S9PvYh6DA0zBs3xsvC+cPgR6E3yilBt/V83iRUg2VEQVKayQsRl1IlpVenKsxUSgEHis2A3Vxx9JZ68Gd219lyuIyerpo6xiXRjeQd+PxOJyiyYpJgt88N/dVjpNf5Y2i01k2GJcdIqG+VoLt7/U7dzW7U4xipbmBnAoRTW/dcXeEe7x5DjHHbwbtfmbqQgs7aGvNtU6ekqZ4FsMQqiHk6o9O2QVERIm3mZN5b/3kfPC2Rcce4b3dGXoHeykSKY39ac5eJDRVMyZUITT+sXCos3y+/SIWgZNjNhi8KYR6/MWW28TUrczoWQ+GC3wFtuNIh0Tu2TzVACI3OnD+GblXa8SWLHslU8svE2xWrWVqrGuNthcapmYpgkA5L6CpKhMbcCh6hmkH+xRKIYubPA1rUN2SZSH+R2LzYGRKyDHA5HngjG2XBL9uHh5HbhHRxIvx37jGfE36+zKeabngKxsdHTSCuX7MZjo11ZkA1i2oo0TcLRsFxu47zcI4ZPODsvz6eBEDiZ1kvZQeeixdZ2U9bT6Rw9y1nSdPiR5ERajdQcNT9LUuunngXKjQMnevKfb0NkuJxQi+iiPhuZkVqCWWwc6FMdahRTJEte4AuNLxc6IGMYY7vK4jNa0Zk6dhXGEgSKVZqSCflaes1+VoyM+yW6VOTAFsm/qmDGZVQQtjqHlBVgGDuAWzVfPV+hQcXyinLy8KXuEWHj2scoTOu/EOi6xV6h50LvG6QI+ZaPDnA8VAx7gauk+vsdA+w9pRdxwGrB0aFRTjqmAFoUTN8p29zyYXe0GcvyjFI6tyZHj/WcAMlIWmm7FanswGwJfCdXBEb5f2+4FgrIaWGdddQZmaFf93dRUXwCs93ekLFZJaxoPJhN+Wy3X7in38y 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 Dec 18, 2025, at 23:09, Kiryl Shutsemau wrote: > > Instead of passing down the head page and tail page index, pass the tail > and head pages directly, as well as the order of the compound page. > > This is a preparation for changing how the head position is encoded in > the tail page. > > Signed-off-by: Kiryl Shutsemau Reviewed-by: Muchun Song Thanks.