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SubjectRe: [LKP] Re: [hugetlbfs] c0d0381ade: vm-scalability.throughput -33.4% regression
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On 10/13/2020 1:40 AM, Mike Kravetz wrote:
> On 10/11/20 10:29 PM, Xing Zhengjun wrote:
>> Hi Mike,
>>
>> I re-test it in v5.9-rc8, the regression still existed. It is almost the same as 34ae204f1851. Do you have time to look at it? Thanks.
>>
>
> Thank you for testing.
>
> Just curious, did you apply the series in this thread or just test v5.9-rc8?
> If just testing v5.9-rc8, no changes to this code were added after 34ae204f1851,
> so results being the same are expected.
>

I just test v5.9-rc8. Where can I find the series patches you mentioned
here? Or just wait for the next mainline release?


> There are some functional issues with this new hugetlb locking model that
> are currently being worked. It is likely to result in significantly different
> code. The performance issues discovered here will be taken into account with
> the new code. However, as previously mentioned additional synchronization
> is required for functional correctness. As a result, there will be some
> regression in this code.
>

--
Zhengjun Xing

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