Export kernel_thread() and empty_zero_page so that allmodconfig can be
built for MN10300.
Signed-off-by: NDavid Howells <dhowells@redhat.com>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>