diff --git a/unix/linux/types.go b/unix/linux/types.go
index 02445fa1..e5e9e0e0 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -815,6 +815,8 @@ type FdSet C.fd_set
 
 type Sysinfo_t C.struct_sysinfo
 
+const SI_LOAD_SHIFT = C.SI_LOAD_SHIFT
+
 type Utsname C.struct_utsname
 
 type Ustat_t C.struct_ustat
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index 11b15ef7..498c17a8 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -673,6 +673,8 @@ type InotifyEvent struct {
 
 const SizeofInotifyEvent = 0x10
 
+const SI_LOAD_SHIFT = 0x10
+
 type Utsname struct {
 	Sysname    [65]byte
 	Nodename   [65]byte