diff --git a/kernel/futex/core.c b/kernel/futex/core.c
index cf7e610eac42..b625455a7e9f 100644
--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -1736,7 +1736,7 @@ void futex_hash_free(struct mm_struct *mm)
 	kvfree(mm->futex_phash_new);
 	fph = rcu_dereference_raw(mm->futex_phash);
 	if (fph)
-		kvfree(fph);
+		kvfree_rcu(fph, rcu);
 }
 
 static bool futex_pivot_pending(struct mm_struct *mm)