Re: [PATCH 2/6] Introduce CONFIG_ZONE_DMA

Christoph Lameter
2006-09-18T17:33:00Z

On Tue, 19 Sep 2006, Paul Mundt wrote:

> sh and sh64 have no use for ZONE_DMA, it's effectively ZONE_DMA =
> ZONE_NORMAL anyways, so it can be safely switched off (though
> arch/sh/mm/init.c should then be changed to use ZONE_NORMAL if ZONE_DMA
> goes away, as we currently place all lowmem in ZONE_DMA, likewise for
> sh64). None of our DMA controllers have any particular limitations where
> ZONE_DMA would be useful at least.

Ok. I dropped the CONFIG_ZONE_DMA for sh so you will no longer have a DMA
zone when this patch goes in.

sh64 has the same strange code as parisc:

config GENERIC_ISA_DMA
bool

You do not have ISA_DMA so I should drop these lines?