diff --git a/[refs] b/[refs]
index 91be651002b3..29af022f8938 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d347926a7ef9fa1334894a0531aa0c5f8a1ddeae
+refs/heads/master: 3e3b48e5198544dd90e27265a70c1a834139e025
diff --git a/trunk/arch/um/sys-x86_64/ksyms.c b/trunk/arch/um/sys-x86_64/ksyms.c
index 4d7d1a812d8f..6604673a849d 100644
--- a/trunk/arch/um/sys-x86_64/ksyms.c
+++ b/trunk/arch/um/sys-x86_64/ksyms.c
@@ -1,5 +1,7 @@
-#include "linux/module.h"
-#include "asm/string.h"
+#include <linux/module.h>
+#include <asm/string.h>
+#include <asm/checksum.h>
 
 /*XXX: we need them because they would be exported by x86_64 */
 EXPORT_SYMBOL(__memcpy);
+EXPORT_SYMBOL(csum_partial);