# Re: \[External\] \[PATCH v3 02/14\] mm/page\_alloc: split prep\_compound\_page into head and tail subparts

- From: Muchun Song \<hidden\>
- Date: 2021-07-15 02:54:16 
- List: linux-doc
- Page: https://ratatoskr.run/linux-doc/2021/07/6509840
- Thread: https://ratatoskr.run/linux-mm/2021/07/6509813/t.md

```text
On Thu, Jul 15, 2021 at 3:36 AM Joao Martins [ref] wrote:
>
> Split the utility function prep_compound_page() into head and tail
> counterparts, and use them accordingly.
>
> This is in preparation for sharing the storage for / deduplicating
> compound page metadata.
>
> Signed-off-by: Joao Martins <redacted>
> Acked-by: Mike Kravetz <redacted>

Reviewed-by: Muchun Song <redacted>
```