Re: [PATCH v2 3/3] sgi-gru: Use __get_user_pages_fast in atomic_pte_lookup

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

I think the atomic_pte_lookup / non_atomic_pte_lookup helpers
should simply go away.  Most of the setup code is common now and should
be in the caller where it can be shared.  Then just do a:

	if (atomic) {
		__get_user_pages_fast()
	} else {
		get_user_pages_fast();
	}

and we actually have an easy to understand piece of code.