Re: [PATCH 1/2] dma-mapping: zero memory returned from dma_alloc_*

[Christoph Hellwig]

On Fri, Dec 14, 2018 at 07:10:56PM +0100, Sam Ravnborg wrote:
> Hi Christoph,
> 
> I stumbled upon this one:
> 
> #define __get_dma_pages(gfp_mask, order) \
>                 __get_free_pages((gfp_mask) | GFP_DMA, (order))

This isn't directly related to the dma mapping, but another place
that hides GFP_DMA allocations.  So no need for the treatment,
but we really should kill this obsfucating wrapper..