diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index 41b0cd0..e61891d 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -750,13 +750,12 @@
 
 	AT_RECURSIVE = 0x8000
 
-	OPEN_TREE_CLONE   = 0x1
-	OPEN_TREE_CLOEXEC = 0x80000
-
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 
 	AT_EACCESS = 0x200
+
+	OPEN_TREE_CLONE = 0x1
 )
 
 type OpenHow struct {
diff --git a/unix/ztypes_linux_386.go b/unix/ztypes_linux_386.go
index 531aefa..0d8ba0a 100644
--- a/unix/ztypes_linux_386.go
+++ b/unix/ztypes_linux_386.go
@@ -241,6 +241,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_amd64.go b/unix/ztypes_linux_amd64.go
index 727f664..0243228 100644
--- a/unix/ztypes_linux_amd64.go
+++ b/unix/ztypes_linux_amd64.go
@@ -256,6 +256,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_arm.go b/unix/ztypes_linux_arm.go
index 639141b..1b00b6c 100644
--- a/unix/ztypes_linux_arm.go
+++ b/unix/ztypes_linux_arm.go
@@ -232,6 +232,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_arm64.go b/unix/ztypes_linux_arm64.go
index 6cb03b1..2fa62e1 100644
--- a/unix/ztypes_linux_arm64.go
+++ b/unix/ztypes_linux_arm64.go
@@ -235,6 +235,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_mips.go b/unix/ztypes_linux_mips.go
index 4a15554..48da0b4 100644
--- a/unix/ztypes_linux_mips.go
+++ b/unix/ztypes_linux_mips.go
@@ -237,6 +237,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_mips64.go b/unix/ztypes_linux_mips64.go
index e108492..4fadda3 100644
--- a/unix/ztypes_linux_mips64.go
+++ b/unix/ztypes_linux_mips64.go
@@ -238,6 +238,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_mips64le.go b/unix/ztypes_linux_mips64le.go
index 8904ac8..05f9575 100644
--- a/unix/ztypes_linux_mips64le.go
+++ b/unix/ztypes_linux_mips64le.go
@@ -238,6 +238,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_mipsle.go b/unix/ztypes_linux_mipsle.go
index a1a28cc..5598051 100644
--- a/unix/ztypes_linux_mipsle.go
+++ b/unix/ztypes_linux_mipsle.go
@@ -237,6 +237,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_ppc.go b/unix/ztypes_linux_ppc.go
index abdc534..94d11fa 100644
--- a/unix/ztypes_linux_ppc.go
+++ b/unix/ztypes_linux_ppc.go
@@ -244,6 +244,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_ppc64.go b/unix/ztypes_linux_ppc64.go
index f4afbbe..c7cd776 100644
--- a/unix/ztypes_linux_ppc64.go
+++ b/unix/ztypes_linux_ppc64.go
@@ -245,6 +245,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_ppc64le.go b/unix/ztypes_linux_ppc64le.go
index ea0b840..5d8b4be 100644
--- a/unix/ztypes_linux_ppc64le.go
+++ b/unix/ztypes_linux_ppc64le.go
@@ -245,6 +245,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_riscv64.go b/unix/ztypes_linux_riscv64.go
index 85d0a0d..c38d896 100644
--- a/unix/ztypes_linux_riscv64.go
+++ b/unix/ztypes_linux_riscv64.go
@@ -263,6 +263,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_s390x.go b/unix/ztypes_linux_s390x.go
index 81dd9c2..513cb0c 100644
--- a/unix/ztypes_linux_s390x.go
+++ b/unix/ztypes_linux_s390x.go
@@ -258,6 +258,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
+const (
 	POLLRDHUP = 0x2000
 )
 
diff --git a/unix/ztypes_linux_sparc64.go b/unix/ztypes_linux_sparc64.go
index 6991b00..0c3e0c4 100644
--- a/unix/ztypes_linux_sparc64.go
+++ b/unix/ztypes_linux_sparc64.go
@@ -240,6 +240,10 @@
 }
 
 const (
+	OPEN_TREE_CLOEXEC = 0x400000
+)
+
+const (
 	POLLRDHUP = 0x800
 )