diff --git a/[refs] b/[refs]
index 759872a4af8a..7a333246f186 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5314d48ed54c1a0111c597d1510f77850a1b3232
+refs/heads/master: a7b7511ac1404eaf0e7b6c445a7c61b48ccfcf0b
diff --git a/trunk/include/asm-x86/e820.h b/trunk/include/asm-x86/e820.h
index 16a31e2c7c57..213d1ed3d415 100644
--- a/trunk/include/asm-x86/e820.h
+++ b/trunk/include/asm-x86/e820.h
@@ -64,6 +64,7 @@ struct e820map {
 extern struct e820map e820;
 extern struct e820map e820_saved;
 
+extern unsigned long pci_mem_start;
 extern int e820_any_mapped(u64 start, u64 end, unsigned type);
 extern int e820_all_mapped(u64 start, u64 end, unsigned type);
 extern void e820_add_region(u64 start, u64 size, int type);