Re: [LKP] Re: [hugetlbfs] c0d0381ade: vm-scalability.throughput -33.4% regression

[Xing Zhengjun]

On 10/13/2020 11:01 AM, Mike Kravetz wrote:
> On 10/12/20 6:59 PM, Xing Zhengjun wrote:
> > 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?
>
> My apologies.  I missed that you were not cc'ed on this thred:
> https://lore.kernel.org/linux-mm/20200706202615.32111-1-mike.kravetz@xxxxxxxxxx/
>
> As mentioned, there will likely be another revision to the way locking is
> handled.  The new scheme will try to consider performance as is done in
> the above link.  I suggest you wait for next revision.  If you do not mind,
> I will cc you when the new code is posted.

OK. I will wait for the next revision.

--
Zhengjun Xing