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.
.

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