The infiniband code expects that the arch implements pgprot_noncached().

We're mapping PCI areas anyway, so this probabyl wasn't needed and we should
make infiniband stop doing that..

Cc: Roland Dreier <rolandd@cisco.com>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>