The following commit has been merged into the sched/core branch of tip: Commit-ID: a76328d44c7ab7d1001a97cb2e84506dde7822d4 Gitweb: https://git.kernel.org/tip/a76328d44c7ab7d1001a97cb2e84506dde7822d4 Author: Valentin Schneider <vschneid@xxxxxxxxxx> AuthorDate: Wed, 27 Nov 2024 17:55:01 +01:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Mon, 02 Dec 2024 12:01:31 +01:00 sched/fair: Remove CONFIG_CFS_BANDWIDTH=n definition of cfs_bandwidth_used() Andy reported that clang gets upset with CONFIG_CFS_BANDWIDTH=n: kernel/sched/fair.c:6580:20: error: unused function 'cfs_bandwidth_used' [-Werror,-Wunused-function] 6580 | static inline bool cfs_bandwidth_used(void) | ^~~~~~~~~~~~~~~~~~ Indeed, cfs_bandwidth_used() is only used within functions defined under CONFIG_CFS_BANDWIDTH=y. Remove its CONFIG_CFS_BANDWIDTH=n declaration & definition. Reported-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Signed-off-by: Valentin Schneider <vschneid@xxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Link: https://lore.kernel.org/r/20241127165501.160004-1-vschneid@xxxxxxxxxx --- kernel/sched/fair.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 05b8f1e..4283c81 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5373,8 +5373,6 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags) static void check_enqueue_throttle(struct cfs_rq *cfs_rq); static inline int cfs_rq_throttled(struct cfs_rq *cfs_rq); -static inline bool cfs_bandwidth_used(void); - static void requeue_delayed_entity(struct sched_entity *se); @@ -6748,11 +6746,6 @@ static void sched_fair_update_stop_tick(struct rq *rq, struct task_struct *p) #else /* CONFIG_CFS_BANDWIDTH */ -static inline bool cfs_bandwidth_used(void) -{ - return false; -} - static void account_cfs_rq_runtime(struct cfs_rq *cfs_rq, u64 delta_exec) {} static bool check_cfs_rq_runtime(struct cfs_rq *cfs_rq) { return false; } static void check_enqueue_throttle(struct cfs_rq *cfs_rq) {}