2024-05-28 04:12:41

by Oscar Salvador

[permalink] [raw]
Subject: Re: [RFC PATCH v4 03/16] mm: Provide mm_struct and address to huge_ptep_get()

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 <[email protected]>

Reviewed-by: Oscar Salvador <[email protected]>



--
Oscar Salvador
SUSE Labs