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