show_mem can not be marked as init, since it is called during
OOM condition from /mm/oom_kill.c:out_of_memory() and
/mm/page_alloc.c:__alloc_pages()
Signed-off-by: NRobin Getz <robin.getz@analog.com>
Signed-off-by: NBryan Wu <bryan.wu@analog.com>