On Wed, Jan 29, 2020 at 10:11 PM Sandipan Das <sandipan@xxxxxxxxxxxxx> wrote: > > 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, I updated the tests to not assume 2MB page size, but I'm having trouble getting a setup with a non-2MB default size to test with. I'm uploading v11 of the series shortly, please let me know if the problem persists. > - Sandipan >
