Re: [PATCH v4 2/7] mm/khugepaged: extract reference check into folio_pte_referenced() helper

[Lance Yang]

On Tue, Aug 11, 2026 at 06:48:34AM -0600, Nico Pache (Red Hat) wrote:
>This change deduplicates the "is this PTE/folio referenced enough to be
>considered for a collapse" condition that was repeated in both
>__collapse_huge_page_isolate() and collapse_scan_pmd(), extracting it into
>a single inline helper function.
>
>Also move the comment and use it as the function header. While we are at
>it, updated the comment to clarify that a young pte is a recently accessed
>one.
>
>Acked-by: Usama Arif <usama.arif@xxxxxxxxx>
>Signed-off-by: Nico Pache (Red Hat) <nico.pache@xxxxxxxxx>
>---

Reviewed-by: Lance Yang <lance.yang@xxxxxxxxx>