Re: [PATCH 2/6] Introduce CONFIG_ZONE_DMA
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- To: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
- Subject: Re: [PATCH 2/6] Introduce CONFIG_ZONE_DMA
- From: Christoph Lameter <clameter@xxxxxxx>
- Date: Mon, 18 Sep 2006 10:28:14 -0700 (PDT)
- Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, linux-mm@xxxxxxxxxxxxxxx, Nick Piggin <nickpiggin@xxxxxxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, Marcelo Tosatti <marcelo@xxxxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxx>, Martin Bligh <mbligh@xxxxxxxxxx>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>, Andi Kleen <ak@xxxxxxx>, linux-arch@xxxxxxxxxxxxxxx
- In-reply-to: <1158588487.31364.3.camel@localhost>
- References: <20060911222729.4849.69497.sendpatchset@xxxxxxxxxxxxxxxxxxxxxxxxx> <20060911222739.4849.79915.sendpatchset@xxxxxxxxxxxxxxxxxxxxxxxxx> <20060918135559.GB15096@xxxxxxxxxxxxx> <1158588487.31364.3.camel@localhost>
On Mon, 18 Sep 2006, Martin Schwidefsky wrote:
> s390 needs ZONE_DMA for the memory area below 2GB. That is required for
> the control structure of channel based I/O. It is not ISA but
> conceptually related. Can we rename GENERIC_ISA_DMA into GENERIC_IO_DMA
> or something similar?
The patchset defines CONFIG_ZONE_DMA for s390 so you are fine.
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