RE: [PATCH - Linus please apply] ia64: fix build errors by exporting paddr_to_nid()

["Luck, Tony" <tony.luck@xxxxxxxxx>]

> Just out of curiosity, what caused this error? It doesn't _look_ new,
> just judging from the patch itself. Is this just a configuration that
> nobody has noticed before, or something else that changed that caused
> it to happen now?

I'm confused by the error because I don't see it using an older (4.6.4) version
of gcc. But Randy is building with something modern and runs into it.

So some aggressive optimization/inline?

-Tony