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-rw-r--r--fs/namespace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index 221db9de4729..328087a4df8a 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -70,7 +70,7 @@ static DEFINE_IDA(mnt_id_ida);
static DEFINE_IDA(mnt_group_ida);
/* Don't allow confusion with old 32bit mount ID */
-#define MNT_UNIQUE_ID_OFFSET (1ULL << 32)
+#define MNT_UNIQUE_ID_OFFSET (1ULL << 31)
static atomic64_t mnt_id_ctr = ATOMIC64_INIT(MNT_UNIQUE_ID_OFFSET);
static struct hlist_head *mount_hashtable __ro_after_init;