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

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Message-ID: <b7f44bff-644b-8aa6-4d0e-8f1dfd6d03d2@redhat.com>
Date:   Thu, 14 Sep 2023 20:47:25 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Suren Baghdasaryan <surenb@...gle.com>, akpm@...ux-foundation.org
Cc:     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 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.

-- 
Cheers,

David / dhildenb