From: Peter Xu <peterx@redhat.com>
To: Suren Baghdasaryan <surenb@google.com>
Cc: akpm@linux-foundation.org, viro@zeniv.linux.org.uk,
brauner@kernel.org, shuah@kernel.org, aarcange@redhat.com,
lokeshgidra@google.com, david@redhat.com, hughd@google.com,
mhocko@suse.com, axelrasmussen@google.com, rppt@kernel.org,
willy@infradead.org, Liam.Howlett@oracle.com, jannh@google.com,
zhangpeng362@huawei.com, bgeffon@google.com,
kaleshsingh@google.com, ngeoffray@google.com, jdduke@google.com,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
kernel-team@android.com
Subject: Re: [PATCH v4 3/5] selftests/mm: call uffd_test_ctx_clear at the end of the test
Date: Mon, 30 Oct 2023 16:14:42 -0400 [thread overview]
Message-ID: <ZUAOsn9Fj/qCo+xg@x1n> (raw)
In-Reply-To: <20231028003819.652322-4-surenb@google.com>
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@google.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
next prev parent reply other threads:[~2023-10-30 20:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-28 0:38 [PATCH v4 0/5] userfaultfd move option Suren Baghdasaryan
2023-10-28 0:38 ` [PATCH v4 1/5] mm/rmap: support move to different root anon_vma in folio_move_anon_rmap() Suren Baghdasaryan
2023-10-30 20:15 ` Peter Xu
2023-10-28 0:38 ` [PATCH v4 2/5] userfaultfd: UFFDIO_MOVE uABI Suren Baghdasaryan
2023-10-28 7:43 ` kernel test robot
2023-10-28 0:38 ` [PATCH v4 3/5] selftests/mm: call uffd_test_ctx_clear at the end of the test Suren Baghdasaryan
2023-10-30 20:14 ` Peter Xu [this message]
2023-11-02 21:32 ` Axel Rasmussen
2023-10-28 0:38 ` [PATCH v4 4/5] selftests/mm: add uffd_test_case_ops to allow test case-specific operations Suren Baghdasaryan
2023-10-28 0:38 ` [PATCH v4 5/5] selftests/mm: add UFFDIO_MOVE ioctl test Suren Baghdasaryan
2023-10-30 20:14 ` Peter Xu
2023-10-30 20:22 ` Suren Baghdasaryan
2023-10-30 20:35 ` Peter Xu
2023-10-30 21:22 ` Suren Baghdasaryan
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