return_unused_surplus_pages() can become static.
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Acked-by: NAdam Litke <agl@us.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>