Messages in this thread | | | Date | Tue, 11 Jul 2006 16:11:45 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [RFC 1/8] Add CONFIG_ZONE_DMA to all archesM |
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On Mon, 10 Jul 2006 08:56:50 -0700 (PDT) Christoph Lameter <clameter@sgi.com> wrote:
> On Mon, 10 Jul 2006, KAMEZAWA Hiroyuki wrote: > > > > > How about configuring this by > > > > config ZONE_DMA > > def_bool y > > depends on GENERIC_ISA_DMA || ARCH_ZONE_DMA > > > > and set ARCH_ZONE_DMA for each arch ? > > Yes we do something like that in a later patch. What would be the > advantage of having CONFIG_ARCH_ZONE_DMA instead of CONFIG_ZONE_DMA? > I think it's a bit complicated that both (generic)mm/Kconfig and arch/???/Kconfg has the same config option. I think there are 2 ways..
1. remove CONFIG_ZONE_DMA from mm/Kconfig and move all to under arch/ 2. define ARCH_ZONE_DMA under /arch and unite them in mm/Kconfig by CONFIG_ZONE_DMA
-Kame
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