1 files changed, 2 insertions, 4 deletions

diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c
index e0f12d49db4c..b675c5add01e 100644
--- a/arch/x86_64/kernel/head64.c
+++ b/arch/x86_64/kernel/head64.c
@@ -20,14 +20,14 @@
 #include <asm/setup.h>
 #include <asm/desc.h>
 #include <asm/pgtable.h>
+#include <asm/sections.h>
 
 /* Don't add a printk in there. printk relies on the PDA which is not initialized 
    yet. */
 static void __init clear_bss(void)
 {
-        extern char __bss_start[], __bss_end[];
         memset(__bss_start, 0,
-               (unsigned long) __bss_end - (unsigned long) __bss_start);
+               (unsigned long) __bss_stop - (unsigned long) __bss_start);
 }
 
 #define NEW_CL_POINTER          0x228   /* Relative to real mode data */
@@ -76,8 +76,6 @@ static void __init setup_boot_cpu_data(void)
         boot_cpu_data.x86_mask = eax & 0xf;
 }
 
-extern char _end[];
-
 void __init x86_64_start_kernel(char * real_mode_data)
 {
         char *s;