diff --git a/[refs] b/[refs]
index fcdb27963098..9280a43098e2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e90a13184600ec756875238ad130e2f205cd9a1b
+refs/heads/master: b30115ea8f685bcd1769553fe8511745f985053c
diff --git a/trunk/arch/powerpc/kernel/pci_64.c b/trunk/arch/powerpc/kernel/pci_64.c
index 8247cff1cb3e..3502b9101e6b 100644
--- a/trunk/arch/powerpc/kernel/pci_64.c
+++ b/trunk/arch/powerpc/kernel/pci_64.c
@@ -426,7 +426,7 @@ int pcibios_unmap_io_space(struct pci_bus *bus)
 		    pci_name(bus->self));
 
 		__flush_hash_table_range(&init_mm, res->start + _IO_BASE,
-					 res->end - res->start + 1);
+					 res->end + _IO_BASE + 1);
 		return 0;
 	}