Re: [PATCH 1/3] mm: use nth_page() in place of direct struct page manipulation.

[Muchun Song]

> On Aug 31, 2023, at 02:27, Zi Yan <zi.yan@xxxxxxxx> wrote:
> 
> From: Zi Yan <ziy@xxxxxxxxxx>
> 
> When dealing with hugetlb pages, manipulating struct page pointers
> directly can get to wrong struct page, since struct page is not guaranteed
> to be contiguous on SPARSEMEM without VMEMMAP. Use nth_page() to handle
> it properly.
> 
> Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>

Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Maybe 3 separate patches would be better for backporting purpose.