> Actually, this is just using the pte_free_fast() and
> {get,free}_pgd_fast() functions on non-pae machines.
>
> I think this should be safe, unless there is a way
> we could pagefault from inside interrupts (but I don't
> think we do that).
>
> OTOH, the -preempt people will want to add preemption
> protection from the fiddling with the local pte freelist ;)
If you are using the stock mechanisms in include/asm/pgalloc.h they are
already made preempt-safe by the patch. ;)
Robert Love
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