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-rw-r--r--kernel/rcutree.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index c0ed3765ec39..4ec4b14cfba6 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1403,7 +1403,10 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp)
debug_rcu_head_unqueue(list);
__rcu_reclaim(rsp->name, list);
list = next;
- if (++count >= bl)
+ /* Stop only if limit reached and CPU has something to do. */
+ if (++count >= bl &&
+ (need_resched() ||
+ (!is_idle_task(current) && !rcu_is_callbacks_kthread())))
break;
}