This patch fixes below build error for case SMP=n:
kernel/sched/core.c: In function '__schedule':
kernel/sched/core.c:3400:2: error: implicit declaration of function 'update_migrate_disable' [-Werror=implicit-function-declaration]
update_migrate_disable(prev);
^
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
kernel/sched/core.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 8d9f6a6..c10ac78 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1092,6 +1092,15 @@ void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags)
rq_clock_skip_update(rq, true);
}
+#if defined(CONFIG_PREEMPT_RT_FULL) && defined(CONFIG_SMP)
+#define MIGRATE_DISABLE_SET_AFFIN (1<<30) /* Can't make a negative */
+#define migrate_disabled_updated(p) ((p)->migrate_disable & MIGRATE_DISABLE_SET_AFFIN)
+#define migrate_disable_count(p) ((p)->migrate_disable & ~MIGRATE_DISABLE_SET_AFFIN)
+#else
+static inline void update_migrate_disable(struct task_struct *p) { }
+#define migrate_disabled_updated(p) 0
+#endif
+
#ifdef CONFIG_SMP
/*
* This is how migration works:
@@ -1209,15 +1218,6 @@ void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_ma
p->nr_cpus_allowed = cpumask_weight(new_mask);
}
-#if defined(CONFIG_PREEMPT_RT_FULL) && defined(CONFIG_SMP)
-#define MIGRATE_DISABLE_SET_AFFIN (1<<30) /* Can't make a negative */
-#define migrate_disabled_updated(p) ((p)->migrate_disable & MIGRATE_DISABLE_SET_AFFIN)
-#define migrate_disable_count(p) ((p)->migrate_disable & ~MIGRATE_DISABLE_SET_AFFIN)
-#else
-static inline void update_migrate_disable(struct task_struct *p) { }
-#define migrate_disabled_updated(p) 0
-#endif
-
void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
{
struct rq *rq = task_rq(p);
--
2.6.4
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