Re: [PATCH] sparsemem fix

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On Wed, Jul 05, 2006 at 07:20:54PM +0900, Atsushi Nemoto wrote:

> > For now it seems to be implemented only in sgi-ip27 machine. Maybe we should
> > make things clear by adding:
> > 
> > #ifdef CONFIG_SGI_IP27
> > #define pfn_valid	[...]
> > #else

The fact that the code is only used on IP27 doesn't mean it is IP27-specific.

> > #error discontigmem model is only supported by sgi-ip27 platforms.
> > #error Please try to implement a generic solution if you plan to
> > #error use this memory model. Good luck ;)
> > #endif /* CONFIG_SGI_IP27 */
> 
> Though the pfn_valid() is only used by ip27 for now, I suppose it
> could be used other NUMA systems (not sure).

Yes, and there will be one or two more NUMA systems.

  Ralf


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