diff --git a/include/asm-x86/pda.h b/include/asm-x86/pda.h
index 35962bbe5e72..3d9dd653628a 100644
--- a/include/asm-x86/pda.h
+++ b/include/asm-x86/pda.h
@@ -40,6 +40,7 @@ struct x8664_pda {
 
 extern struct x8664_pda *_cpu_pda[];
 extern struct x8664_pda boot_cpu_pda[];
+extern void pda_init(int);
 
 #define cpu_pda(i) (_cpu_pda[i])
 
diff --git a/include/asm-x86/proto.h b/include/asm-x86/proto.h
index 7ff3d765de05..8ed1ebf666be 100644
--- a/include/asm-x86/proto.h
+++ b/include/asm-x86/proto.h
@@ -9,7 +9,6 @@ struct cpuinfo_x86;
 struct pt_regs;
 
 extern void start_kernel(void);
-extern void pda_init(int); 
 
 extern void early_idt_handler(void);