The sparse tool complains as follows: mm/percpu.c:138:5: warning: symbol 'pcpu_free_slot' was not declared. Should it be static? This symbol is not used outside of percpu.c, so marks it static. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- mm/percpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/percpu.c b/mm/percpu.c index a257c3efdf18..73c249f3b6a3 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -135,7 +135,7 @@ static int pcpu_unit_size __ro_after_init; static int pcpu_nr_units __ro_after_init; static int pcpu_atom_size __ro_after_init; int pcpu_nr_slots __ro_after_init; -int pcpu_free_slot __ro_after_init; +static int pcpu_free_slot __ro_after_init; int pcpu_sidelined_slot __ro_after_init; int pcpu_to_depopulate_slot __ro_after_init; static size_t pcpu_chunk_struct_size __ro_after_init;
