Re: [PATCH 10/12] mm: hugetlb_vmemmap: make vmemmap restoration folio-oriented

[Qi Zheng]

On 10/20/26 7:58 PM, Muchun Song wrote:
> Like optimization, vmemmap restoration operates on one folio at a time,
> but the current interface exposes a raw address range and requires the
> HugeTLB caller to prepare part of the operation.  This splits the common
> mechanism across layers and obscures its natural unit of work.
>
> Make the folio the unit of vmemmap restoration and move the common
> mechanics behind a folio-oriented interface.  This keeps HugeTLB-specific
> eligibility and state in the caller and gives both directions of HVO
> consistent folio-level interfaces.
>
> No functional change intended.
>
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> ---
>   mm/hugetlb_vmemmap.c | 37 +++++++++++++------------------------
>   1 file changed, 13 insertions(+), 24 deletions(-)

Nice cleanup.

Reviewed-by: Qi Zheng <qi.zheng@xxxxxxxxx>

Thanks,
Qi