Re: [PATCH v4 3/7] mm/khugepaged: introduce a count_collapse_event() helper

[Lance Yang]

On Tue, Aug 11, 2026 at 06:48:35AM -0600, Nico Pache (Red Hat) wrote:
>Provide a simple helper function to help reduce a often used, and
>duplicate pattern across the khugepaged code.
>
>When collapsing to a PMD we need to record a vm_event and the mTHP_stat
>event. When doing mTHP collapse we only update the mTHP stat.
>
>Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
>Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>
>Acked-by: Usama Arif <usama.arif@xxxxxxxxx>
>Signed-off-by: Nico Pache (Red Hat) <nico.pache@xxxxxxxxx>
>---

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