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-rw-r--r--include/linux/sched.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 81a173c0897..8f3fd945070 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1905,12 +1905,22 @@ static inline void rcu_copy_process(struct task_struct *p)
INIT_LIST_HEAD(&p->rcu_node_entry);
}
+static inline void rcu_switch_from(struct task_struct *prev)
+{
+ if (prev->rcu_read_lock_nesting != 0)
+ rcu_preempt_note_context_switch();
+}
+
#else
static inline void rcu_copy_process(struct task_struct *p)
{
}
+static inline void rcu_switch_from(struct task_struct *prev)
+{
+}
+
#endif
#ifdef CONFIG_SMP