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-rw-r--r--mm/memcontrol.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b9419a3605eb..827879d8d447 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2150,6 +2150,12 @@ again:
if (unlikely(!memcg))
return NULL;
+#ifdef CONFIG_PROVE_LOCKING
+ local_irq_save(flags);
+ might_lock(&memcg->move_lock);
+ local_irq_restore(flags);
+#endif
+
if (atomic_read(&memcg->moving_account) <= 0)
return memcg;