Re: [PATCH v10 7/8] hugetlb_cgroup: Add hugetlb_cgroup reservation tests

Sandipan Das
2020-01-30T06:11:31Z

Hi David,

On 30/01/20 2:30 am, David Rientjes wrote:
> On Thu, 23 Jan 2020, Sandipan Das wrote:
>
>> For powerpc64, either 16MB/16GB or 2MB/1GB huge pages are supported depending
>> on the MMU type (Hash or Radix). I was just running these tests on a powerpc64
>> system with Hash MMU and ran into problems because the tests assume that the
>> hugepage size is always 2MB. Can you determine the huge page size at runtime?
>>
>
> I assume this is only testing failures of the tools/testing/selftests
> additions that hardcode 2MB paths and not a kernel problem? In other
> words, you can still boot, reserve, alloc, and free hugetlb pages on ppc
> after this patchset without using the selftests?
>

Yes, its just the hardcoded paths. I didn't run into any kernel problems.

- Sandipan