diff --git a/[refs] b/[refs]
index 78ee5be75fb6..3b8eeffb555a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: da04c035039b5288039a5bf2d340866114ae994b
+refs/heads/master: f3591fff043f5df937120962668c8adfcd3f5b29
diff --git a/trunk/arch/x86_64/kernel/e820.c b/trunk/arch/x86_64/kernel/e820.c
index eb7929eea7b3..4e34b0f9d613 100644
--- a/trunk/arch/x86_64/kernel/e820.c
+++ b/trunk/arch/x86_64/kernel/e820.c
@@ -28,6 +28,7 @@ extern char _end[];
  * PFN of last memory page.
  */
 unsigned long end_pfn; 
+EXPORT_SYMBOL(end_pfn);
 
 /* 
  * end_pfn only includes RAM, while end_pfn_map includes all e820 entries.