https://bugs.freedesktop.org/show_bug.cgi?id=93458
--- Comment #6 from Matt Whitlock <[email protected]> ---
(In reply to Matt Whitlock from comment #5)
> I would venture a guess that the memory allocated for a GPU FIFO buffer
> needs to be physically continuous, as it will be used for DMA
I take it back. Looking into the source code, the allocation is happening in
nvkm_ramht_new(â¦), which is allocating a struct nvkm_ramht containing a
variably-sized array of struct nvkm_ramht_data elements. As these elements, in
turn, contain pointers, it seems very unlikely that they'd be DMA'd, so
presumably the struct nvkm_ramht doesn't need to be physically contiguous and
could safely be allocated by vzalloc(â¦).
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