Re: [PATCH *] rmap VM, version 12

Robert Love
2002-01-23T19:11:04Z

On Wed, 2002-01-23 at 13:57, Rik van Riel wrote:

> 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