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 <mi...@redhat.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Signed-off-by: Lee Jones <lee.jo...@linaro.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
--
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