linux-kernel - Re: [PATCH v2 1/3] selftests/mm: add memory failure anonymous page test

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Message-ID: <cfc51f4a-ad96-49df-bcb2-1aa23b34449e@kernel.org>
Date: Wed, 21 Jan 2026 13:30:31 +0100
From: "David Hildenbrand (Red Hat)" <david@...nel.org>
To: Mark Brown <broonie@...nel.org>, Miaohe Lin <linmiaohe@...wei.com>
Cc: akpm@...ux-foundation.org, shuah@...nel.org, lorenzo.stoakes@...cle.com,
 Liam.Howlett@...cle.com, vbabka@...e.cz, rppt@...nel.org, surenb@...gle.com,
 mhocko@...e.com, nao.horiguchi@...il.com, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v2 1/3] selftests/mm: add memory failure anonymous page
 test

On 1/21/26 12:17, Mark Brown wrote:
> On Wed, Jan 21, 2026 at 10:05:07AM +0800, Miaohe Lin wrote:
>> On 2026/1/21 1:46, Mark Brown wrote:
> 
>>> You should also add HWPOISION_INJECT and likely also MEMORY_FAILURE
>>> (which it depends on) to the config fragment in
> 
>>>     tools/testing/selftests/mm/config
> 
>> Currently if HWPOISION_INJECT or MEMORY_FAILURE isn't enabled, the test
>> will be skipped.
> 
> Yes, it handles them being missing correctly - it's just about letting
> people know what they need to enable so the tests get run.

Right, we should handle it to avoid misleading test failures until test 
environments (like 0day) adapted config changes.

-- 
Cheers

David