From: Arnd Bergmann Date: Mon, 22 May 2023 19:50:17 +0000 (+0200) Subject: sched: Hide unused sched_update_scaling() X-Git-Tag: v6.5-rc1~198^2~33 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d55ebae3f312;p=thirdparty%2Flinux.git sched: Hide unused sched_update_scaling() This function is only used when CONFIG_SMP is enabled, without that there is no caller and no prototype: kernel/sched/fair.c:688:5: error: no previous prototype for 'sched_update_scaling' [-Werror=missing-prototypes Hide the definition in the same #ifdef check as the declaration. Fixes: 8a99b6833c88 ("sched: Move SCHED_DEBUG sysctl to debugfs") Signed-off-by: Arnd Bergmann Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Vincent Guittot Link: https://lore.kernel.org/r/20230522195021.3456768-2-arnd@kernel.org --- diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 48b6f0ca13acc..2c1b345c3b8d3 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -684,7 +684,7 @@ struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq) /************************************************************** * Scheduling class statistics methods: */ - +#ifdef CONFIG_SMP int sched_update_scaling(void) { unsigned int factor = get_update_sysctl_factor(); @@ -702,6 +702,7 @@ int sched_update_scaling(void) return 0; } #endif +#endif /* * delta /= w