netdev_rss_key is written to once and thereafter is read by
drivers when they are initialising. The fact that it is mostly
read and not written to makes it a candidate for a __read_mostly
declaration.
Signed-off-by: Kim Jones <kim-marie.jones@intel.com> Signed-off-by: Alan Carey <alan.carey@intel.com> Acked-by: Rami Rosen <rami.rosen@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>