From: kernel test robot <lkp(a)intel.com&gt; kernel/sched/fair.c:9431:9-10: WARNING: return of 0/1 in function 'imbalanced_active_balance' with return type bool Return statements in functions returning bool should use true/false instead of 1/0. Generated by: scripts/coccinelle/misc/boolreturn.cocci Fixes: 8be8caab247c ("sched/fair: reduce cases for active balance") Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- tree: https://git.linaro.org/people/vincent.guittot/kernel.git sched/pelt head: eeef063fbfa2e18600421f9c78b3a07ded3ec081 commit: 8be8caab247c40a969162f691661489571484544 [6/7] sched/fair: reduce cases for active balance fair.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -9428,9 +9428,9 @@ imbalanced_active_balance(struct lb_env if ((env->migration_type == migrate_task) && (sd->nr_balance_failed > sd->cache_nice_tries+2)) - return 1; + return true; - return 0; + return false; } static int need_active_balance(struct lb_env *env)