This makes set_recommended_min_free_kbytes() have a return type of void as
it cannot fail.
Signed-off-by: NNicholas Krause <xerofoify@gmail.com>
Acked-by: NMichal Hocko <mhocko@suse.cz>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>