diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index c970929bb15d..f684e3b3de4e 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -108,6 +108,11 @@ void __init x86_64_start_kernel(char * real_mode_data)
 
 	early_printk("Kernel really alive\n");
 
+	x86_64_start_reservations(real_mode_data);
+}
+
+void __init x86_64_start_reservations(char *real_mode_data)
+{
 	copy_bootdata(__va(real_mode_data));
 
 	reserve_early(__pa_symbol(&_text), __pa_symbol(&_end), "TEXT DATA BSS");
diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h
index 42bc62b4b70c..1d121c632d9e 100644
--- a/include/asm-x86/setup.h
+++ b/include/asm-x86/setup.h
@@ -58,6 +58,8 @@ extern unsigned long init_pg_tables_end;
 
 #else
 void __init x86_64_start_kernel(char *real_mode);
+void __init x86_64_start_reservations(char *real_mode_data);
+
 #endif /* __i386__ */
 #endif /* _SETUP */
 #endif /* __ASSEMBLY__ */