diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h
index 09ea05243497d9bba4e1f567f3dec2ada1c8e3f3..c811f1e0829ffb0c45bdd7d7b1c288b3b411fdc7 100644
--- a/include/asm-x86/desc_defs.h
+++ b/include/asm-x86/desc_defs.h
@@ -70,9 +70,11 @@ struct ldttss_desc64 {
 #ifdef CONFIG_X86_64
 typedef struct gate_struct64 gate_desc;
 typedef struct ldttss_desc64 ldt_desc;
+typedef struct ldttss_desc64 tss_desc;
 #else
 typedef struct desc_struct gate_desc;
 typedef struct desc_struct ldt_desc;
+typedef struct desc_struct tss_desc;
 #endif
 
 struct desc_ptr {