On Fri, Oct 25, 2019 at 11:48:33PM +0000, John Stultz wrote:> struct cma *dma_contiguous_default_area;> +EXPORT_SYMBOL(dma_contiguous_default_area);Please CC the dma maintainer. And no, you have no business using this.Even if you did, internals like this should always be EXPORT_SYMBOL_GPL.