Re: [PATCH] dma-pool: Do not allocate pool memory from CMA

[David Rientjes]

On Wed, 8 Jul 2020, Nicolas Saenz Julienne wrote:

> There is no guarantee to CMA's placement, so allocating a zone specific
> atomic pool from CMA might return memory from a completely different
> memory zone. So stop using it.
> 
> Fixes: c84dc6e68a1d ("dma-pool: add additional coherent pools to map to gfp mask")
> Reported-by: Jeremy Linton <jeremy.linton@xxxxxxx>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

Thanks Nicolas!