linux-kernel - Re: [PATCH 2/3] userfaultfd: UFFDIO

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Date:   Thu, 14 Sep 2023 11:54:42 -0700
From:   Suren Baghdasaryan <surenb@...gle.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     akpm@...ux-foundation.org, viro@...iv.linux.org.uk,
        brauner@...nel.org, shuah@...nel.org, aarcange@...hat.com,
        lokeshgidra@...gle.com, peterx@...hat.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 2/3] userfaultfd: UFFDIO_REMAP uABI

On Thu, Sep 14, 2023 at 11:47 AM David Hildenbrand <david@...hat.com> wrote:
>
> On 14.09.23 17:26, Suren Baghdasaryan wrote:
> > From: Andrea Arcangeli <aarcange@...hat.com>
> >
> > This implements the uABI of UFFDIO_REMAP.
> >
> > Notably one mode bitflag is also forwarded (and in turn known) by the
> > lowlevel remap_pages method.
>
> Sorry to say, but these functions are unacceptably long. Please find
> ways to structure the code in a better way.

Thanks for the comments, guys! I'll address them and will try to break
the functions into smaller pieces.

>
> --
> Cheers,
>
> David / dhildenb
>