Variables are declared and not used, we should remove them.

Link: http://lkml.kernel.org/r/1519700648-23108-3-git-send-email-me@tobin.ccSigned-off-by: NTobin C. Harding <me@tobin.cc>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>