Report: Performance regression from ib_umem_get on zone device pages

[jane.chu at oracle.com]

On 4/23/2025 7:55 PM, jane.chu at oracle.com wrote:
> 
> On 4/23/2025 4:28 PM, Jason Gunthorpe wrote:
>> IIRC device-dax does could not use folios until 6.15 so I'm assuming
>> it is not folios even if it is a pmd mapping?
> 
> I just looked at 6.15-rc3, device-dax is not using folio. Maybe I'm 
> missing some upcoming patches?

Oops, scratch that.  I'll test 6.15.

thanks,
-jane
> 
> thanks,
> -jane
> 
>