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Message-ID: <CAJHvVcibtwWom6w=jdYa+712ZEVM3Kcy9RQwgfgHi8b=1nF9jg@mail.gmail.com>
Date:   Thu, 2 Nov 2023 14:32:02 -0700
From:   Axel Rasmussen <axelrasmussen@...gle.com>
To:     Peter Xu <peterx@...hat.com>
Cc:     Suren Baghdasaryan <surenb@...gle.com>, akpm@...ux-foundation.org,
        viro@...iv.linux.org.uk, brauner@...nel.org, shuah@...nel.org,
        aarcange@...hat.com, lokeshgidra@...gle.com, david@...hat.com,
        hughd@...gle.com, mhocko@...e.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 v4 3/5] selftests/mm: call uffd_test_ctx_clear at the end
 of the test

On Mon, Oct 30, 2023 at 1:14 PM Peter Xu <peterx@...hat.com> wrote:
>
> On Fri, Oct 27, 2023 at 05:38:13PM -0700, Suren Baghdasaryan wrote:
> > uffd_test_ctx_clear() is being called from uffd_test_ctx_init() to unmap
> > areas used in the previous test run. This approach is problematic because
> > while unmapping areas uffd_test_ctx_clear() uses page_size and nr_pages
> > which might differ from one test run to another.
> > Fix this by calling uffd_test_ctx_clear() after each test is done.
> >
> > Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>
>
> Reviewed-by: Peter Xu <peterx@...hat.com>

Looks correct to me as well. Thanks for fixing this, Suren!

Reviewed-by: Axel Rasmussen <axelrasmussen@...gle.com>

>
> --
> Peter Xu
>

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