From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Now, all reserved pages for CMA region are belong to the ZONE_CMA
and it only serves for GFP_HIGHUSER_MOVABLE. Therefore, we don't need to
consider ALLOC_CMA at all.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>