# Re: \[PATCH 1/3\] mm: change vm\_get\_page\_prot() to accept vm\_flags\_t argument

- From: Zi Yan \<ziy@nvidia.com\>
- Date: 2025-06-23 14:32:13 
- List: linux-trace-kernel
- Page: https://ratatoskr.run/linux-trace-kernel/2025/06/315548
- Thread: https://ratatoskr.run/linuxppc-dev/2025/06/315057/t.md

```text
On 18 Jun 2025, at 15:42, Lorenzo Stoakes wrote:

> We abstract the type of the VMA flags to vm_flags_t, however in may places
> it is simply assumed this is unsigned long, which is simply incorrect.
>
> At the moment this is simply an incongruity, however in future we plan to
> change this type and therefore this change is a critical requirement for
> doing so.
>
> Overall, this patch does not introduce any functional change.
>
> Signed-off-by: Lorenzo Stoakes <redacted>
> ---
>  arch/arm64/mm/mmap.c                       | 2 +-
>  arch/powerpc/include/asm/book3s/64/pkeys.h | 3 ++-
>  arch/sparc/mm/init_64.c                    | 2 +-
>  arch/x86/mm/pgprot.c                       | 2 +-
>  include/linux/mm.h                         | 4 ++--
>  include/linux/pgtable.h                    | 2 +-
>  tools/testing/vma/vma_internal.h           | 2 +-
>  7 files changed, 9 insertions(+), 8 deletions(-)
>
Acked-by: Zi Yan <ziy@nvidia.com>
--
Best Regards,
Yan, Zi
```