diff --git a/[refs] b/[refs]
index e7c9dae6562f..7db25060d198 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8b91de2e58318d1168bc13d164478c1a7217a63a
+refs/heads/master: e48b3deee475134585eed03e7afebe4bf9e0dba9
diff --git a/trunk/lib/kernel_lock.c b/trunk/lib/kernel_lock.c
index 812dbf00844b..fbc11a336bc5 100644
--- a/trunk/lib/kernel_lock.c
+++ b/trunk/lib/kernel_lock.c
@@ -8,6 +8,7 @@
 #include <linux/smp_lock.h>
 #include <linux/module.h>
 #include <linux/kallsyms.h>
+#include <asm/semaphore.h>
 
 /*
  * The 'big kernel semaphore'