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. >>
<snip> >> + >> + /* >> + * 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
