ARM: 7809/1: perf: fix event validation for software group leaders

[~andy/linux] / kernel / mutex.c

diff --git a/kernel/mutex.c b/kernel/mutex.c
index e581ada5faf42b7cad697a6a2a9522695f0210b1..ff05f4bd86eb6acf10ff49307e448ddb8b00916a 100644 (file)
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -18,6 +18,7 @@
  * Also see Documentation/mutex-design.txt.
  */
 #include <linux/mutex.h>
+#include <linux/ww_mutex.h>
 #include <linux/sched.h>
 #include <linux/sched/rt.h>
 #include <linux/export.h>