[PATCH v5 00/11] Introduces new count-based method for tracking lockless pagetable walks

[Peter Zijlstra]

On Fri, Oct 04, 2019 at 01:42:36PM +0200, Peter Zijlstra wrote:
> If you can find anything there that isn't right, please explain that in
> detail and we'll need to look hard at fixing _that_.

Also, I can't imagine Nick is happy with 128 CPUs banging on that atomic
counter, esp. since atomics are horrifically slow on Power.