This symbol will be used in the Hyper-V balloon driver to support 2M
allocations.
Signed-off-by: NK.  Y.  Srinivasan <kys@microsoft.com>
Acked-by: NMichal Hocko <mhocko@suse.cz>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>