Re: [PATCH v5 12/12] Documentation/mm: update DAX vmemmap deduplication docs

[David Hildenbrand (Arm)]

On 9/27/26 04:54, Muchun Song wrote:
> Device DAX now uses the common per-zone shared tail page for vmemmap
> deduplication. The old documentation still described a DAX-specific
> layout with a separately populated tail vmemmap page and half the HugeTLB
> savings.
> 
> Update the generic and powerpc documentation to describe the shared layout.
> In the powerpc document, keep the radix and 64K-specific details, drop the
> duplicated 4K PUD arithmetic, and replace the repeated device-dax diagrams
> with a single parameterized PMD/PUD diagram.
> 
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> Acked-by: Qi Zheng <qi.zheng@xxxxxxxxx>
> ---

Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>

-- 
Cheers,

David