Re: [PATCH 03/21] mm/hugetlb: correct demote page offset logic

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> On Sep 14, 2022, at 03:54, Doug Berger <opendmb@xxxxxxxxx> wrote:
> 
> With gigantic pages it may not be true that struct page structures
> are contiguous across the entire gigantic page. The mem_map_offset
> function is used here in place of direct pointer arithmetic to
> correct for this.
> 
> Fixes: 8531fc6f52f5 ("hugetlb: add hugetlb demote page support")
> Signed-off-by: Doug Berger <opendmb@xxxxxxxxx>

With Matthew’s suggestion.

Acked-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Thanks.





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