Re: [PATCH 2/4] mm: cma: Contiguous Memory Allocator added

[Mark Brown]

On Thu, Jul 22, 2010 at 04:58:43PM +0200, MichaÅ Nazarewicz wrote:
> On Thu, 22 Jul 2010 15:40:56 +0200, Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> >Yeah, agreed though I'm not convinced we can't do it via userspace
> >(initrd would give us a chance to do stuff early) or just kernel
> >rebuilds.

> If there's any other easy way of overwriting platform's default I'm happy
> to listen. :)

Netlink or similar, for example?

> >Yes, exactly - probably you can even have a default region backed by
> >normal vmalloc() RAM which would at least be able to take a stab at
> >working by default.

> Not sure what you mean here.  vmalloc() allocated buffers cannot be used
> with CMA since they are not contiguous in memory.

Sorry, thinko - I just meant allocated at runtime.  It'd fail a a lot of
the time so might not be worth bothering.
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