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SubjectRe: [patch] x86: allow ZONE_DMA to be configurable
On 10/13/2010 05:42 PM, David Rientjes wrote:
> You can already set the lowmem_reserve_ratio via
> /proc/sys/vm/lowmem_reserve_ratio.

And why is it then so hard to put in a single line in /etc/sysctl.conf
for you?

> We've run without ZONE_DMA for a couple years because we don't have such
> hardware limitations and would appreciate the ability to disable it with a
> config option rather than hacking the kernel to get it to compile. I'm
> sure Casey would as well as you can see in the thread "A question about
> ZONE_DMA".
>
> I don't see the harm in being able to conveniently disable the zone if you
> know what you're doing.

There are going to be a lot of very strange bug reports as a result.

-hpa


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