From: Wei Yongjun <weiyongjun1@xxxxxxxxxx> Subject: lib/test_lockup.c: make symbol 'test_works' static Fix sparse build warning: lib/test_lockup.c:403:1: warning: symbol '__pcpu_scope_test_works' was not declared. Should it be static? Link: http://lkml.kernel.org/r/20200707112252.9047-1-weiyongjun1@xxxxxxxxxx Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/test_lockup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/lib/test_lockup.c~lib-test_lockupc-make-symbol-test_works-static +++ a/lib/test_lockup.c @@ -400,7 +400,7 @@ static void test_lockup(bool master) test_unlock(master, true); } -DEFINE_PER_CPU(struct work_struct, test_works); +static DEFINE_PER_CPU(struct work_struct, test_works); static void test_work_fn(struct work_struct *work) { _