linux-kernel - Re: [PATCH v6 2/5] userfaultfd: UFFDIO

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Message-ID: <CAJuCfpHpdAn6yNVq1HXqO0qspj6DLb4qa_QufT+Z9RLTTa-N9Q@mail.gmail.com>
Date: Mon, 21 Apr 2025 20:58:22 -0700
From: Suren Baghdasaryan <surenb@...gle.com>
To: Alejandro Colomar <alx@...nel.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, aarcange@...hat.com, 
	linux-man@...r.kernel.org, akpm@...ux-foundation.org, viro@...iv.linux.org.uk, 
	brauner@...nel.org, shuah@...nel.org, lokeshgidra@...gle.com, 
	peterx@...hat.com, david@...hat.com, ryan.roberts@....com, hughd@...gle.com, 
	mhocko@...e.com, axelrasmussen@...gle.com, rppt@...nel.org, 
	willy@...radead.org, Liam.Howlett@...cle.com, jannh@...gle.com, 
	zhangpeng362@...wei.com, bgeffon@...gle.com, kaleshsingh@...gle.com, 
	ngeoffray@...gle.com, jdduke@...gle.com, linux-mm@...ck.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org, kernel-team@...roid.com
Subject: Re: [PATCH v6 2/5] userfaultfd: UFFDIO_MOVE uABI

On Mon, Apr 21, 2025 at 10:16 AM Suren Baghdasaryan <surenb@...gle.com> wrote:
>
> On Sat, Apr 19, 2025 at 12:26 PM Alejandro Colomar <alx@...nel.org> wrote:
> >
> > Hi Lorenzo, Suren, Andrea,
> >
> > On Sat, Apr 19, 2025 at 07:57:36PM +0100, Lorenzo Stoakes wrote:
> > > +cc Alejandro
> >
> > Thanks!
> >
> > > On Wed, Dec 06, 2023 at 02:36:56AM -0800, Suren Baghdasaryan wrote:
> > > > From: Andrea Arcangeli <aarcange@...hat.com>
> > > >
> > > > Implement the uABI of UFFDIO_MOVE ioctl.
> >
> > [...]
> >
> > > >
> > > > [1] https://lore.kernel.org/all/1425575884-2574-1-git-send-email-aarcange@redhat.com/
> > > > [2] https://lore.kernel.org/linux-mm/CA+EESO4uO84SSnBhArH4HvLNhaUQ5nZKNKXqxRCyjniNVjp0Aw@mail.gmail.com/
> > > >
> > > > Update for the ioctl_userfaultfd(2)  manpage:
> > >
> > > Sorry to resurrect an old thread but... I don't think this update was ever
> > > propagated anywhere?
> > >
> > > If you did send separately to man-pages list or whatnot maybe worth nudging
> > > again?
> > >
> > > I don't see anything at [0].
>
> Thanks for bringing it up! This must have slipped from my attention.
>
> > >
> > > [0]: https://man7.org/linux/man-pages/man2/ioctl_userfaultfd.2.html
> > >
> > > Thanks!
> > >
> > > >
> > > >    UFFDIO_MOVE
> > > >        (Since Linux xxx)  Move a continuous memory chunk into the
> >
> > Nope, it seems this was never sent to linux-man@.
> > <https://lore.kernel.org/linux-man/?q=UFFDIO_MOVE>:
>
> Sorry for missing that part.
>
> >
> >         [No results found]
> >
> > Please re-send including linux-man@ in CC, as specified in
> > <https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING>
>
> Thanks for the reference. Will post the documentation update later today.

Was planning to post today but I'm a bit rusty with the syntax. Will
try to send it out tomorrow after verifying the results.

> Thanks,
> Suren.
>
> >
> >
> > Have a lovely night!
> > Alex
> >
> > --
> > <https://www.alejandro-colomar.es/>