[PATCH v4 1/2] dma: improve DMA zone selection

[Catalin Marinas]

On Thu, Aug 01, 2024 at 11:25:06AM +0300, Baruch Siach wrote:
> When device DMA limit does not fit in DMA32 zone it should use DMA zone,
> even when DMA zone is stricter than needed.
> 
> Same goes for devices that can't allocate from the entire normal zone.
> Limit to DMA32 in that case.
> 
> Reported-by: Catalin Marinas <catalin.marinas at arm.com>
> Signed-off-by: Baruch Siach <baruch at tkos.co.il>

This looks fine to me now.

Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>