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Howlett" , "Ryan Roberts" , "Dev Jain" , "Barry Song" , "Lance Yang" , "Usama Arif" , "Vlastimil Babka" , "Mike Rapoport" , "Suren Baghdasaryan" , "Michal Hocko" , "Jonathan Corbet" , "Shuah Khan" To: "Nico Pache (Red Hat)" , , , From: "Zi Yan" X-Mailer: aerc 0.21.0 References: <20260811-khugepaged_pte_refactor-v4-0-ddac39d61c4a@linux.dev> <20260811-khugepaged_pte_refactor-v4-4-ddac39d61c4a@linux.dev> In-Reply-To: <20260811-khugepaged_pte_refactor-v4-4-ddac39d61c4a@linux.dev> X-ClientProxiedBy: MN2PR15CA0048.namprd15.prod.outlook.com (2603:10b6:208:237::17) To IA0PR12MB8374.namprd12.prod.outlook.com (2603:10b6:208:40e::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA0PR12MB8374:EE_|DS4PR12MB9612:EE_ X-MS-Office365-Filtering-Correlation-Id: ad25276c-f79e-4b6a-6eb7-08def7e9f054 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: 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5x3tF4gHatp4HYpPbtlxcgXTaCvj7t1Xd36CfWeYH9zZ/Lv2tQz1jjuqfZF2hIanTNbvkOjMW+LQzMfANM5aNzWVzbbWwyR2JjXTANfBaGb1nOfYYQ+JWloB7nzdQ4QeCOannUieRXZ3b+ptZyhzzao4QvowuuCmg7W/jWcVV7VbZgLblTM0V3US4stTuKjk0wufhimRSvv5U/227QdkfLTgVY7iGz1mV0FX92plrZk6ql16OKaM8VqxI4i3vi7bra4lzmXvXjyM6yDy55yW2ymQap8+Z2z1EJwvuIlhwrUEV4hlS7uGjJ9xrTPJLdr9tUvmsz4FrKD7NI+M549a9MgkzlxXS9uWhbV5V+ZIfJJ4eRpdF+KrDlJszhWTGGMfZYaHWXhUYRIUuPNLkF8weI2pjFTt/fTqDwuRVhHcJBcI2Dtg= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue Aug 11, 2026 at 8:48 AM EDT, Nico Pache (Red Hat) wrote: > Fix comment in collapse_scan_pmd() that still described the old > folio_mapcount() > folio_ref_count() check and a "512" false-positive > scenario. The code now uses folio_expected_ref_count() !=3D folio_ref_cou= nt() > which doesn't suffer from the same limitation. > > Fix comment in collapse_huge_page() that referenced ptep_clear_flush, > when the code actually uses pmdp_collapse_flush. > > Fix comment in __collapse_huge_page_swapin() that referenced the old > function name khugepaged_scan_pmd, now collapse_scan_pmd. > > Also clean up some simple typos and stale terminology (mmap_sem -> > mmap_lock, PG_lock -> folio lock, page -> folio, grammar). > > We also clarify a comment regarding where the max_ptes_none check is > deferred to in mthp_collapse() from the original collapse_scan_pmd check. > > Update all comments that references a function to include parentheses. > > Acked-by: Usama Arif > Assisted-by: Cursor(claude-sonnet-4):4.6 > Acked-by: David Hildenbrand (Arm) > Signed-off-by: Nico Pache (Red Hat) > --- > mm/khugepaged.c | 44 +++++++++++++++++++++----------------------- > 1 file changed, 21 insertions(+), 23 deletions(-) > Thanks. Reviewed-by: Zi Yan --=20 Best Regards, Yan, Zi