diff -Naur etcd-3.4.14.org/vendor/go.etcd.io/bbolt/bolt_sw64.go etcd-3.4.14.sw/vendor/go.etcd.io/bbolt/bolt_sw64.go
--- etcd-3.4.14.org/vendor/go.etcd.io/bbolt/bolt_sw64.go	1970-01-01 08:00:00.000000000 +0800
+++ etcd-3.4.14.sw/vendor/go.etcd.io/bbolt/bolt_sw64.go	2022-09-16 15:23:18.290000000 +0800
@@ -0,0 +1,12 @@
+// +build sw64
+
+package bbolt
+
+// maxMapSize represents the largest mmap size supported by Bolt.
+const maxMapSize = 0xFFFFFFFFFFFF // 256TB
+
+// maxAllocSize is the size used when creating array pointers.
+const maxAllocSize = 0x7FFFFFFF
+
+// Are unaligned load/stores broken on this arch?
+var brokenUnaligned = false
