Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8% regression

[Huang\, Ying]

Michal Hocko <mhocko@xxxxxxxxxx> writes:

> On Wed 27-04-16 11:15:56, kernel test robot wrote:
>> FYI, we noticed vm-scalability.throughput -11.8% regression with the following commit:
>
> Could you be more specific what the test does please?

The sub-testcase of vm-scalability is swap-w-rand.  An RAM emulated pmem
device is used as a swap device, and a test program will allocate/write
anonymous memory randomly to exercise page allocation, reclaiming, and
swapping in code path.

Best Regards,
Huang, Ying