[PATCH] ARM:mm: fix kmap_atomic_to_page

[Russell King - ARM Linux]

On Tue, Oct 06, 2015 at 08:09:33PM +0900, Chanho Min wrote:
> Since kmap_atomic returns the pkmap address without a new mapping to
> fixmap for the page that is already mapped by kmap, It should be
> considered for the pkmap address in kmap_atomic_to_page.

What's the reasoning behind this change, given that I can find lots of
definitions of kmap_atomic_to_page() in the kernel, but not a single
user of this.

If there's no users, should we be deleting this code?

-- 
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.