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

Mike Rapoport <[email protected]>
Newsgroups org.kvack.linux-mm,org.kernel.vger.linux-kernel
Message-ID <178756196749.3606540.5168294628731455207.b4-review@b4>
On Wed, 19 Aug 2026 17:51:27 +0800, Muchun Song <[email protected]> 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) <[email protected]>

-- 
Sincerely yours,
Mike.
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