[3/3] powerpc: Avoid load hit store when using find_linux_pte_or_hugepte()

[Anton Blanchard]

Hi Michael,

> I'd really rather __find_linux_pte_or_hugepte() was an internal
> detail, rather than the standard API.
> 
> We do already have quite a few uses, but adding more just further
> spreads the details about how the implementation works.
> 
> So I'm going to drop this in favor of Aneesh's patch to make irqs
> disabled check a VM_WARN().

Makes sense, I agree.

Anton