# Re: \[RFC PATCH v4 03/16\] mm: Provide mm\_struct and address to huge\_ptep\_get()

- From: Oscar Salvador \<osalvador@suse.de\>
- Date: 2024-05-28 04:12:32 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2024/05/2616600
- Thread: https://ratatoskr.run/linux-mm/2024/05/2615607/t.md

```text
On Mon, May 27, 2024 at 03:30:01PM +0200, Christophe Leroy wrote:
> On powerpc 8xx huge_ptep_get() will need to know whether the given
> ptep is a PTE entry or a PMD entry. This cannot be known with the
> PMD entry itself because there is no easy way to know it from the
> content of the entry.
> 
> So huge_ptep_get() will need to know either the size of the page
> or get the pmd.
> 
> In order to be consistent with huge_ptep_get_and_clear(), give
> mm and address to huge_ptep_get().
> 
> Signed-off-by: Christophe Leroy <redacted>

Reviewed-by: Oscar Salvador <osalvador@suse.de>

 

-- 
Oscar Salvador
SUSE Labs
```