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-rw-r--r--kernel/rcutree.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 117a15019e99..effb2733b7fc 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -315,8 +315,11 @@ struct rcu_data {
unsigned long n_rp_need_fqs;
unsigned long n_rp_need_nothing;
- /* 6) _rcu_barrier() callback. */
+ /* 6) _rcu_barrier() and OOM callbacks. */
struct rcu_head barrier_head;
+#ifdef CONFIG_RCU_FAST_NO_HZ
+ struct rcu_head oom_head;
+#endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */
int cpu;
struct rcu_state *rsp;