Re: Report: Performance regression from ib_umem_get on zone device pages

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On 4/23/2025 7:55 PM, jane.chu@xxxxxxxxxx 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







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