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Date: Sat, 3 Nov 2012 23:02:25 +0100 From: Lee Jones <lee.jones@...aro.org> To: linux-kernel@...r.kernel.org Cc: Lee Jones <lee.jones@...aro.org>, Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org> Subject: [PATCH 4/9] sched: Don't define unthrottle_offline_cfs_rqs when !CONFIG_SMP Since unthrottle_offline_cfs_rqs is only ever invoked when CONFIG_SMP let's pre-processor it out when SMP is not configured. This change suppresses the build error below when !CONFIG_SMP. kernel/sched/fair.c:2055:13: warning: ‘unthrottle_offline_cfs_rqs’ defined but not used [-Wunused-function] Cc: Ingo Molnar <mingo@...hat.com> Cc: Peter Zijlstra <peterz@...radead.org> Signed-off-by: Lee Jones <lee.jones@...aro.org> --- kernel/sched/fair.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 6b800a1..c0aab13 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2052,6 +2052,7 @@ static void destroy_cfs_bandwidth(struct cfs_bandwidth *cfs_b) hrtimer_cancel(&cfs_b->slack_timer); } +#if defined CONFIG_SMP static void unthrottle_offline_cfs_rqs(struct rq *rq) { struct cfs_rq *cfs_rq; @@ -2071,6 +2072,7 @@ static void unthrottle_offline_cfs_rqs(struct rq *rq) unthrottle_cfs_rq(cfs_rq); } } +#endif /* CONFIG_SMP */ #else /* CONFIG_CFS_BANDWIDTH */ static __always_inline @@ -2106,7 +2108,9 @@ static inline struct cfs_bandwidth *tg_cfs_bandwidth(struct task_group *tg) return NULL; } static inline void destroy_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {} +#if defined CONFIG_SMP static inline void unthrottle_offline_cfs_rqs(struct rq *rq) {} +#endif /* CONFIG_SMP */ #endif /* CONFIG_CFS_BANDWIDTH */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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