Seeing from the comment, there should be three reasons for removing request_mem_region.
Change the comment "two" to "three".
Signed-off-by: NTang Chen <tangchen@cn.fujitsu.com>
Acked-by: NRob Landley <rob@landley.net>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>