[PATCH 2/3] ARM: DMA-Mapping: print warning when atomic coherent allocation fails

[Aaro Koskinen]

Hi,

On Mon, Aug 20, 2012 at 12:47:27PM +0200, Marek Szyprowski wrote:
> @@ -461,6 +461,9 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page)
>  		bitmap_set(pool->bitmap, pageno, count);
>  		ptr = pool->vaddr + PAGE_SIZE * pageno;
>  		*ret_page = pool->page + pageno;
> +	} else {
> +		pr_err("Atomic coherent pool too small!\n"
> +		       "Please increase it with coherent_pool= kernel parameter!\n");

This should be rate limited, perhaps even printed only once.

A.