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

[Miaohe Lin]

On 2026/1/21 1:46, Mark Brown wrote:
> On Tue, Jan 20, 2026 at 08:32:37PM +0800, Miaohe Lin wrote:
> 
>> +# Try to load hwpoison_inject if not present.
>> +HWPOISON_DIR=/sys/kernel/debug/hwpoison/
>> +if [ ! -d "$HWPOISON_DIR" ]; then
>> +	if ! modprobe -q -R hwpoison_inject; then
>> +		echo "Module hwpoison_inject not found, skipping..."
>> +	else
>> +		modprobe hwpoison_inject > /dev/null 2>&1
>> +		LOADED_MOD=1
>> +	fi
>> +fi
> 
> 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.

> 
> so people and tools know the config options are needed to get all the
> tests running.

Sounds reasonable. Will add it in next version.

Thanks.
.