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-rw-r--r--kernel/rcu/tree.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index e300848cc0cf..5ec81cf938fd 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -488,6 +488,8 @@ struct rcu_state {
/* due to no GP active. */
unsigned long gp_start; /* Time at which GP started, */
/* but in jiffies. */
+ unsigned long gp_activity; /* Time of last GP kthread */
+ /* activity in jiffies. */
unsigned long jiffies_stall; /* Time at which to check */
/* for CPU stalls. */
unsigned long jiffies_resched; /* Time at which to resched */