Re: [PATCH v3 1/4] dma-mapping: Add dma_opt_mapping_size()

[Bart Van Assche]

On 6/6/22 02:30, John Garry wrote:
> +::
> +
> +	size_t
> +	dma_opt_mapping_size(struct device *dev);
> +
> +Returns the maximum optimal size of a mapping for the device. Mapping large
> +buffers may take longer so device drivers are advised to limit total DMA
> +streaming mappings length to the returned value.

"Maximum optimal" sounds weird to me. Is there a single optimal value or 
are there multiple optimal values? In the former case I think that the 
word "maximum" should be left out.

Thanks,

Bart.