Re: [PATCH 0/5] selftests/mm: Implement support for arm64 on va

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On 3/24/23 03:19, Andrew Morton wrote:
> On Thu, 23 Mar 2023 16:22:38 +0530 Chaitanya S Prakash <chaitanyas.prakash@xxxxxxx> wrote:
> 
>> The va_128TBswitch selftest is designed and implemented for PowerPC and
>> x86 architectures which support a 128TB switch, up to 256TB of virtual
>> address space and hugepage sizes of 16MB and 2MB respectively. Arm64
>> platforms on the other hand support a 256Tb switch, up to 4PB of virtual
>> address space and a default hugepage size of 512MB when 64k pagesize is
>> enabled.
>>
>> These architectural differences require introducing support for arm64
>> platforms, after which a more generic naming convention is suggested.
>> The in code comments are amended to provide a more platform independent
>> explanation of the working of the code and nr_hugepages are configured
>> as required. Finally, the file running the testcase is modified in order
>> to prevent skipping of hugetlb testcases of va_high_addr_switch.
>>
>> This series has been tested on 6.3.0-rc3 kernel, both on arm64 and x86
>> platforms.
> 
> Would it make sense to get this series into the ARM tree, so it sees
> more testing on ARM
Rather, it will be better for this series to go via the mm tree instead
(via linux-next first) for better coverage on all platforms, this being
a common test.



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