diff --git a/sys/compat/linuxkpi/common/include/linux/ww_mutex.h b/sys/compat/linuxkpi/common/include/linux/ww_mutex.h
index 0c816f19889..c23d4dd6fa2 100644
--- a/sys/compat/linuxkpi/common/include/linux/ww_mutex.h
+++ b/sys/compat/linuxkpi/common/include/linux/ww_mutex.h
@@ -45,6 +45,7 @@ struct ww_acquire_ctx {
 struct ww_mutex {
 	struct mutex base;
 	struct cv condvar;
+	struct ww_acquire_ctx *ctx;
 };
 
 #define	DEFINE_WW_CLASS(name)					\
diff --git a/sys/sys/param.h b/sys/sys/param.h
index 04d10e00c72..84be4be3601 100644
--- a/sys/sys/param.h
+++ b/sys/sys/param.h
@@ -60,7 +60,7 @@
  *		in the range 5 to 9.
  */
 #undef __FreeBSD_version
-#define __FreeBSD_version 1300025	/* Master, propagated to newvers */
+#define __FreeBSD_version 1300026	/* Master, propagated to newvers */
 
 /*
  * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,