diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 4fc918163dd32de7cc12b65755fc20090a0ff7ac..5654dd19addc0fd58e3b48e07471e53959d82ef3 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -913,7 +913,7 @@ static int __mmu_interval_notifier_insert(
 		return -EOVERFLOW;
 
 	/* Must call with a mmget() held */
-	if (WARN_ON(atomic_read(&mm->mm_count) <= 0))
+	if (WARN_ON(atomic_read(&mm->mm_users) <= 0))
 		return -EINVAL;
 
 	/* pairs with mmdrop in mmu_interval_notifier_remove() */