Re: [PATCH v5 09/17] mm/sparse: initialize memory sections earlier

[Qi Zheng]

On 8/25/26 4:46 PM, Muchun Song 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.
>
> This is a preparatory change.
>
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> Reviewed-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>

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

Thanks,
Qi