Report: Performance regression from ib_umem_get on zone device pages

[jane.chu at oracle.com]

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?

thanks,
-jane