try_to_unmap_one() is called by try_to_unmap_ksm(), too.
Signed-off-by: NWanlong Gao <gaowanlong@cn.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>