[PATCH 27/33] dma-direct: use node local allocations for coherent memory

[Robin Murphy]

On 10/01/18 08:00, Christoph Hellwig wrote:
> To preserve the x86 behavior.

And combined with patch 10/22 of the SWIOTLB refactoring, this means 
SWIOTLB allocations will also end up NUMA-aware, right? Great, that's 
what we want on arm64 too :)

Reviewed-by: Robin Murphy <robin.murphy at arm.com>

> Signed-off-by: Christoph Hellwig <hch at lst.de>
> ---
>   lib/dma-direct.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/dma-direct.c b/lib/dma-direct.c
> index a9ae98be7af3..f04a424f91fa 100644
> --- a/lib/dma-direct.c
> +++ b/lib/dma-direct.c
> @@ -38,7 +38,7 @@ static void *dma_direct_alloc(struct device *dev, size_t size,
>   	if (gfpflags_allow_blocking(gfp))
>   		page = dma_alloc_from_contiguous(dev, count, page_order, gfp);
>   	if (!page)
> -		page = alloc_pages(gfp, page_order);
> +		page = alloc_pages_node(dev_to_node(dev), gfp, page_order);
>   	if (!page)
>   		return NULL;
>   
>