Re: [PATCH v4 09/17] mm/sparse: initialize memory sections earlier

[Mike Rapoport]

On Wed, 19 Aug 2026 17:51:31 +0800, Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:
> Upcoming HugeTLB bootmem changes need sparsemem section metadata before
> the HugeTLB bootmem allocation path runs. The memory sections are
> initialized from sparse_init(), which is called too late for that setup.
> 
> Move the code that initializes sparsemem section metadata for memblock
> ranges into mm_core_init_early(), before free_area_init() and the HugeTLB
> bootmem setup. Rename the helper to sparse_sections_init() so the new
> caller describes the sparsemem-specific initialization step.
> 
> [...]

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

-- 
Sincerely yours,
Mike.