Re: [PATCH v2 00/11] mm: Switch device DAX to section-based vmemmap optimization

[Andrew Morton]

On Tue,  8 Sep 2026 11:03:24 +0800 Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:

> This series is split out from the earlier, larger series "mm: Generalize
> HVO for HugeTLB and device DAX" [1]. While the parent series generalizes
> vmemmap optimization across HugeTLB and device DAX, this subset addresses
> a single, self-contained step: switching device DAX to the section-based
> sparse-vmemmap optimization infrastructure introduced for HugeTLB.
> 
> ...
> 
> This is intended to be the third smaller step toward the broader HVO
> generalization. The wider HVO consolidation between HugeTLB and device
> DAX is left for follow-up series.

Thanks both, I'll add it to mm.git's mm-new branch.