On Thu, Jan 10, 2019 at 12:02:05PM -0500, Konrad Rzeszutek Wilk wrote: > Why not use swiotlb_nr_tbl ? That is how drivers/gpu/drm use to figure if they > need to limit the size of pages.
That function just exports the overall size of the swiotlb aperture, no?
What I need here is the maximum size for a single mapping.
Regards,
Joerg
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