Re: [PATCH 12/12] mm: hugetlb_vmemmap: make vmemmap PTE conversion folio-oriented

[Qi Zheng]

On 10/20/26 7:58 PM, Muchun Song wrote:
> Converting a folio's vmemmap mappings from PMDs to PTEs is a per-folio
> operation, but the current interface exposes a raw address range and
> hardcodes deferred TLB flushing.  This splits the common mechanism
> across layers and couples it to the HugeTLB batching policy.
>
> Make the folio the unit of PTE conversion and let callers select the TLB
> flush policy through the folio-oriented interface.  This keeps
> HugeTLB-specific eligibility and batching outside the common operation.
>
> No functional change intended.
>
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> ---
>   mm/hugetlb_vmemmap.c | 40 +++++++++++++++++++---------------------
>   1 file changed, 19 insertions(+), 21 deletions(-)

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

Thanks,
Qi