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-rw-r--r--kernel/mutex.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/mutex.c b/kernel/mutex.c
index a307cc9c9526..52f23011b6e0 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -19,6 +19,7 @@
*/
#include <linux/mutex.h>
#include <linux/sched.h>
+#include <linux/sched/rt.h>
#include <linux/export.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>