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-rw-r--r--lib/locking-selftest.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c
index aad024dde3c4..6dc09d8f4c24 100644
--- a/lib/locking-selftest.c
+++ b/lib/locking-selftest.c
@@ -12,6 +12,7 @@
*/
#include <linux/rwsem.h>
#include <linux/mutex.h>
+#include <linux/ww_mutex.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/lockdep.h>