zone(9) is broken on SMP?!

[Florian C. Smeets]

Max Laier wrote:
> If I build attached kmod and kldload/-unload it on a GENERIC kernel w/
> SMP & apic it'll error out:
> "Zone was not empty (xx items).  Lost X pages of memory."
> 
> This is on a p4 HTT, but seems reproducible on "proper" SMP systems as
> well. UP systems don't show it however.
> 
> Can somebody please try and report? Thanks!

Yes this is reproducible on a real SMP system:

bender kernel: Zone UMA test zone was not empty (65 items).  Lost 1 
pages of memory.

Regards,
flo