On Fri, 8 Aug 2014, Geert Uytterhoeven wrote:
> > Ok this is broken on m68k. CONFIG_NUMA is required for this to work. If
> > the arch code does this despite !CONFIG_NUMA then lots of things should
> > break.
>
> Can you please elaborate? We've been using for years...
!CONFIG_NUMA leads to the assumption of a system with a single node in
numerous places.
F.e. in include/linux/mm.h:
static inline int zone_to_nid(struct zone *zone)
{
#ifdef CONFIG_NUMA
return zone->node;
#else
return 0;
#endif
}
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