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-rw-r--r--include/linux/memcontrol.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index ef26ba087844..38f94c7271c1 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1498,6 +1498,11 @@ static inline struct lruvec *parent_lruvec(struct lruvec *lruvec)
return mem_cgroup_lruvec(memcg, lruvec_pgdat(lruvec));
}
+static inline void lruvec_lock_irq(struct lruvec *lruvec)
+{
+ spin_lock_irq(&lruvec->lru_lock);
+}
+
static inline void lruvec_unlock(struct lruvec *lruvec)
{
spin_unlock(&lruvec->lru_lock);