hi, Yu Zhao,
On Wed, Jul 10, 2024 at 12:22:40AM -0600, Yu Zhao wrote:
> On Mon, Jul 8, 2024 at 11:11 PM kernel test robot <oliver.sang@xxxxxxxxx> wrote:
> >
> > Hello,
> >
> > kernel test robot noticed a -34.3% regression of vm-scalability.throughput on:
> >
> >
> > commit: 875fa64577da9bc8e9963ee14fef8433f20653e7 ("mm/hugetlb_vmemmap: fix race with speculative PFN walkers")
>
> This is likely caused by synchronize_rcu() wandering into the
> allocation path. I'll patch that up soon.
>
we noticed this commit has already been merged into mainline
[bd225530a4c717714722c3731442b78954c765b3] mm/hugetlb_vmemmap: fix race with speculative PFN walkers
branch: linus/master
and the regression still exists in our tests. do you want us to test your
patch? Thanks!
