Re: [PATCH v4 05/17] mm/sparse-vmemmap: support section-based vmemmap accounting

[Mike Rapoport]

On Wed, 19 Aug 2026 17:51:27 +0800, Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:
> section_nr_vmemmap_pages() can account ordinary sections and DAX sections,
> but section-based vmemmap optimization keeps its compound order in struct
> mem_section and retains a different number of vmemmap pages.
> 
> Teach section_nr_vmemmap_pages() to recognize section-based optimized
> sections and calculate their vmemmap page count from the section order
> and the HVO retained page count.
> 
> [...]

Acked-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>

-- 
Sincerely yours,
Mike.