Index: arch/ia32/include/smp/apic.h
===================================================================
--- arch/ia32/include/smp/apic.h	(revision 8262010e7e7fe13508b9f3ccd85fc91dc8978f35)
+++ arch/ia32/include/smp/apic.h	(revision 2968fe29b85195e4cb1bced263ec3f04ff0684c7)
@@ -123,5 +123,5 @@
 extern void l_apic_debug(void);
 extern void l_apic_timer_interrupt(__u8 n, __u32 stack[]);
-extern __u8 l_apic_id(void);
+extern inline __u8 l_apic_id(void);
 
 extern __u32 io_apic_read(__u8 address);