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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: 8a99b6833c
("sched: Move SCHED_DEBUG sysctl to debugfs")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230522195021.3456768-2-arnd@kernel.org
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@ -684,7 +684,7 @@ struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq)
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/**************************************************************
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* Scheduling class statistics methods:
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*/
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#ifdef CONFIG_SMP
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int sched_update_scaling(void)
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{
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unsigned int factor = get_update_sysctl_factor();
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@ -702,6 +702,7 @@ int sched_update_scaling(void)
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return 0;
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}
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#endif
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#endif
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/*
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* delta /= w
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