linux-kernel - Re: [PATCH 2/2] UFFDIO_API.2const: Add an entry for UFFDIO

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Message-ID: <sxwdi5itwngdermj4w77ycwgyes4x7yyfl7v66mxj7co4xm6xm@27aqjwxvh4qk>
Date: Wed, 14 May 2025 17:02:57 +0200
From: Alejandro Colomar <alx@...nel.org>
To: Peter Xu <peterx@...hat.com>
Cc: linux-man@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Andrea Arcangeli <aarcange@...hat.com>, Mike Rapoport <rppt@...nel.org>, 
	Axel Rasmussen <axelrasmussen@...gle.com>, Kyle Huey <me@...ehuey.com>, linux-mm@...ck.org, 
	Robert O'Callahan <robert@...llahan.org>, Suren Baghdasaryan <surenb@...gle.com>
Subject: Re: [PATCH 2/2] UFFDIO_API.2const: Add an entry for UFFDIO_MOVE

Hi Peter,

On Mon, May 12, 2025 at 01:19:22PM -0400, Peter Xu wrote:
> Add the entry for UFFDIO_MOVE in UFFDIO_API.
> 
> Signed-off-by: Peter Xu <peterx@...hat.com>

Should we add the following tag?

Fixes: d7dec35a3b19 (2025-05-01; "man/man2/ioctl_userfaultfd.2, man/man2const/UFFDIO_MOVE.2const: Document UFFDIO_MOVE")

Also, I think the subject should mention UFFD_FEATURE_MOVE, or at least
somewhere in the commit message.


Have a lovely day!
Alex

> ---
>  man/man2const/UFFDIO_API.2const | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/man/man2const/UFFDIO_API.2const b/man/man2const/UFFDIO_API.2const
> index 1c554107a..17ea6f905 100644
> --- a/man/man2const/UFFDIO_API.2const
> +++ b/man/man2const/UFFDIO_API.2const
> @@ -204,6 +204,12 @@ ioctl.
>  If this feature bit is set,
>  the write protection faults would be asynchronously resolved
>  by the kernel.
> +.TP
> +.BR UFFD_FEATURE_MOVE " (since Linux 6.8)"
> +If this feature bit is set,
> +the kernel supports resolving faults with the
> +.B UFFDIO_MOVE
> +ioctl.
>  .P
>  The returned
>  .I argp->ioctls
> -- 
> 2.49.0
> 
> 

-- 
<https://www.alejandro-colomar.es/>

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