linux-kernel - Re: [PATCH 2/2] selftests: mm: add shmem collpase as a default test item

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Message-ID: <0d92812e-4b17-460d-ab06-9912fc3d83c0@redhat.com>
Date: Thu, 12 Jun 2025 12:24:18 +0200
From: David Hildenbrand <david@...hat.com>
To: Baolin Wang <baolin.wang@...ux.alibaba.com>, akpm@...ux-foundation.org
Cc: lorenzo.stoakes@...cle.com, Liam.Howlett@...cle.com, npache@...hat.com,
 ryan.roberts@....com, dev.jain@....com, baohua@...nel.org, shuah@...nel.org,
 ziy@...dia.com, linux-mm@...ck.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] selftests: mm: add shmem collpase as a default test
 item

On 12.06.25 05:54, Baolin Wang wrote:
> Currently, we only test anonymous memory collapse by default. We should also
> add shmem collapse as a default test item to catch issues that could break
> the test cases.
> 
> Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
> ---
>   tools/testing/selftests/mm/run_vmtests.sh | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
> index 33fc7fafa8f9..a38c984103ce 100755
> --- a/tools/testing/selftests/mm/run_vmtests.sh
> +++ b/tools/testing/selftests/mm/run_vmtests.sh
> @@ -485,6 +485,10 @@ CATEGORY="thp" run_test ./khugepaged
>   
>   CATEGORY="thp" run_test ./khugepaged -s 2
>   
> +CATEGORY="thp" run_test ./khugepaged all:shmem
> +
> +CATEGORY="thp" run_test ./khugepaged -s 4 all:shmem

Ahh, there we have it already, nice :)

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb