rds: remove the second argument of k[un]map_atomic()

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>

diff --cc net/rds/ib_recv.c
Simple merge

diff --cc net/rds/info.c
Simple merge

diff --cc net/rds/iw_recv.c
Simple merge

diff --cc net/rds/loop.c
Simple merge

diff --cc net/rds/rds.h
Simple merge

diff --cc net/rds/recv.c
Simple merge

diff --cc net/rds/tcp_recv.c
Simple merge