drivers/sbus/char/flash.c does use macros VM_READ and such, needs to include
linux/mm.h.
Signed-off-by: NHorst H. von Brand <vonbrand@inf.utfsm.cl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>