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 aF20WMZJ y1Oe8aSBDMvEPHibOnGGjFm9uFu53Ko34J8ZAuw1Rgn2uA/t1QLpoWmgGY9sj0Ux5POvA7oy/kFTe6xRXtTRfikB8jw== 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 9/3/25 14:40, Mika Penttilä wrote: > Hi, > > On 9/3/25 04:18, Balbir Singh wrote: > >> Extend migrate_vma_collect_pmd() to handle partially mapped large >> folios that require splitting before migration can proceed. >> >> During PTE walk in the collection phase, if a large folio is only >> partially mapped in the migration range, it must be split to ensure >> the folio is correctly migrated. >> >> + >> + /* >> + * The reason for finding pmd present with a >> + * large folio for the pte is partial unmaps. >> + * Split the folio now for the migration to be >> + * handled correctly >> + */ > > There are other reasons like vma splits for various reasons. > Yes, David had pointed that out as well, I meant to cleanup the comment change "The" to "One", I missed addressing it in the refactor, but easy to do Thanks, Balbir Singh