Re: [LKP] [fs] b6509f6a8c: will-it-scale.per_thread_ops -12.6% regression

[Mel Gorman]

On Mon, Oct 12, 2020 at 02:20:26PM +0800, Xing Zhengjun wrote:
> Hi Mel,
> 
>    It is a revert commit caused the regression, Do you have a plan to fix
> it? Thanks. I re-test it in v5.9-rc8, the regression still existed.
> 

The revert caused a *performance* regression but the original
performance gain caused a functional failure. The overall performance
should be unchanged. I have not revisited the topic since.

-- 
Mel Gorman
SUSE Labs