Delete extra semicolon, and fix some typos.

Link: http://lkml.kernel.org/r/586F1823.4050107@huawei.comSigned-off-by: NXishi Qiu <qiuxishi@huawei.com>
Reviewed-by: NSergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: NMinchan Kim <minchan@kernel.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>