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-rw-r--r--kernel/rcuclassic.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c
index c6b6cf55f3e..01e761a6b38 100644
--- a/kernel/rcuclassic.c
+++ b/kernel/rcuclassic.c
@@ -557,6 +557,8 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp,
local_irq_enable();
if (rcu_batch_after(rdp->batch, rcp->pending)) {
+ unsigned long flags;
+
/* and start it/schedule start if it's a new batch */
spin_lock_irqsave(&rcp->lock, flags);
if (rcu_batch_after(rdp->batch, rcp->pending)) {