Re: [PATCH v3 03/12] mm: hugetlb_vmemmap: simplify vmemmap head page handling

[Oscar Salvador (SUSE)]

On Wed, Nov 04, 2026 at 10:35:01AM +0800, Muchun Song wrote:
> The new head page is already tracked on the vmemmap page list before
> remapping starts.  Passing it separately gives the remap walker two
> ways to refer to the same page and unnecessarily complicates its
> interface.
> 
> Use the page list as the single handoff mechanism for the head page,
> removing the redundant state from the walker.
> 
> No functional change intended.
> 
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> Reviewed-by: Lance Yang <lance.yang@xxxxxxxxx>
> Reviewed-by: Qi Zheng <qi.zheng@xxxxxxxxx>
> Reviewed-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>

 

-- 
Oscar Salvador
SUSE Labs