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