diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index 0c0eeb1..759e02be 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -54,7 +54,7 @@
 
 struct efi_memory_map memmap;
 
-struct efi efi_phys __initdata;
+static struct efi efi_phys __initdata;
 static efi_system_table_t efi_systab __initdata;
 
 static int __init setup_noefi(char *arg)