Re: [PATCH v2] arm64: mm: use macro instead of if judgement of ZONE_DMA

[Catalin Marinas]

On Thu, Oct 16, 2014 at 10:41:01AM +0100, Yifan Zhang wrote:
> if disable CONFIG_ZONE_DMA, ZONE_DMA becomes undefined.

I agree that this is the case but can you explain why you need to
disable ZONE_DMA? It currently is def_bool y, so it cannot be disabled
unless you hack the Kconfig.

-- 
Catalin
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