Use GFP_NOIO to avoid allocations which swap on resume.

Use GFP_NOIO to avoid allocations which swap on resume.

377:e8b49cfbdac0 and 497:fdb998e79aba added __GFP_HIGH to allocations
which could cause swap on resume. __GFP_HIGH actually only makes such
allocations less likely (by allowing access to the emergency pools of
memory).

See: http://marc.info/?l=linux-kernel&m=121222807617695&w=2

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>