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

[Zi Yan]

On Tue Aug 11, 2026 at 8:48 AM EDT, 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>
> ---
>  mm/khugepaged.c | 42 +++++++++++++++++++++---------------------
>  1 file changed, 21 insertions(+), 21 deletions(-)
>

LGTM.

Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>


-- 
Best Regards,
Yan, Zi