Commit-ID: ff801b716effd652f420204eddb36f6e4a716819
Gitweb: http://git.kernel.org/tip/ff801b716effd652f420204eddb36f6e4a716819
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 29 Jun 2017 08:25:52 +0200
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 29 Jun 2017 08:25:52 +0200
sched/numa: Hide numa_wake_affine() from UP build
Stephen reported the following build warning in UP:
kernel/sched/fair.c:2657:9: warning: 'struct sched_domain' declared inside
parameter list
^
/home/sfr/next/next/kernel/sched/fair.c:2657:9: warning: its scope is only this
definition or declaration, which is probably not what you want
Hide the numa_wake_affine() inline stub on UP builds to get rid of it.
Fixes: 3fed382b46ba ("sched/numa: Implement NUMA node level wake_affine()")
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
---
kernel/sched/fair.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 6f4f155..008c514 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2652,12 +2652,14 @@ static inline void account_numa_dequeue(struct rq *rq, struct task_struct *p)
{
}
+#ifdef CONFIG_SMP
static inline bool numa_wake_affine(struct sched_domain *sd,
struct task_struct *p, int this_cpu,
int prev_cpu, int sync)
{
return true;
}
+#endif /* !SMP */
#endif /* CONFIG_NUMA_BALANCING */
static void
--
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