Re: [PATCH] selftests: mm: fix and speedup "droppable" test

["David Hildenbrand (Arm)" <david@kernel.org>]

>>  tools/testing/selftests/mm/droppable.c | 46 +++++++++++++++++++---------------
>>  1 file changed, 26 insertions(+), 20 deletions(-)
>>
>> diff --git a/tools/testing/selftests/mm/droppable.c b/tools/testing/selftests/mm/droppable.c
>> index 30c8be37fcb9..57e1b6fc5569 100644
>> --- a/tools/testing/selftests/mm/droppable.c
>> +++ b/tools/testing/selftests/mm/droppable.c
>> @@ -17,10 +17,10 @@
>>
>>  int main(int argc, char *argv[])
>>  {
>> -	size_t alloc_size = 134217728;
>> -	size_t page_size = getpagesize();
>> +	const size_t alloc_size = 2 * 1024 * 1024;
> 
> I guess regardless of page size this suffices as an arbitrary range over which
> to check things work.

Yes, that was my thinking. "some pages".

I was briefly wondering whether to add separate tests for THP vs. !THP, but
decided to leave that for another day :)

-- 
Cheers,

David