On 3/20/23 19:28, Petr Tesarik wrote:
> +
> +DMA_ATTR_MAY_SLEEP
> +------------------
> +
> +This tells the DMA-mapping subsystem that it is allowed to sleep. For example,
> +if mapping needs a bounce buffer, software IO TLB may use CMA for the
> +allocation if this flag is given.
> +
> +This attribute is not used for dma_alloc_* functions. Instead, the provided
dma_alloc_\* (escape wildcard in order to
not confuse Sphinx for emphasis).
> +GFP flags are used to determine whether the allocation may sleep.
Otherwise the doc LGTM.
--
An old man doll... just what I always wanted! - Clara
