Re: [mm] 2d146aa3aa: vm-scalability.throughput -36.4% regression

From: Andi Kleen
Date: Wed Sep 01 2021 - 11:12:56 EST


Feng Tang <feng.tang@xxxxxxxxx> writes:
>
> Yes, the tests I did is no matter where the 128B padding is added, the
> performance can be restored and even improved.

I wonder if we can find some cold, rarely accessed, data to put into the
padding to not waste it. Perhaps some name strings? Or the destroy
support, which doesn't sound like its commonly used.

-Andi