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