linux-kernel - Re: [PATCH 1/3] mm: change vm_get_page_prot() to accept vm_flags

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Message-ID: <77B692A8-9DD7-4B92-9C05-2DAD376F6DF3@nvidia.com>
Date: Mon, 23 Jun 2025 10:32:03 -0400
From: Zi Yan <ziy@...dia.com>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
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Subject: Re: [PATCH 1/3] mm: change vm_get_page_prot() to accept vm_flags_t
 argument

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 <lorenzo.stoakes@...cle.com>
> ---
>  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@...dia.com>
--
Best Regards,
Yan, Zi