Re: [PATCH 01/12] mm/huge_memory: zap deposited page tables after an RCU grace period

[Liam R. Howlett]

On 26/09/01 06:13PM, Kiryl Shutsemau wrote:
> On Tue, Sep 01, 2026 at 11:54:47AM -0400, Liam R. Howlett wrote:
> > Do you have munmap() performance dependent workload that you are
> > concerned about regressing?
> 
> exit(2) path is performance critical for many workloads. Like, if you
> need to restart VM.
> 

That is not enough to see any impact, although less overall work would
be done during the exit call.

It would be very difficult to come up with a scenario that this would
have a measurable difference and an even harder time to come up with one
that is slower.