diff --git a/sys/compat/linuxkpi/common/include/linux/pid.h b/sys/compat/linuxkpi/common/include/linux/pid.h
index 2c7e0eaf706..73d8f1f6edf 100644
--- a/sys/compat/linuxkpi/common/include/linux/pid.h
+++ b/sys/compat/linuxkpi/common/include/linux/pid.h
@@ -58,6 +58,11 @@ enum pid_type {
 	__ts;					\
 })
 
+#define	get_task_pid(task, type) ({		\
+	CTASSERT((type) == PIDTYPE_PID);	\
+	(task)->task_thread->td_tid;		\
+})
+
 struct task_struct;
 extern struct task_struct *linux_pid_task(pid_t);
 extern struct task_struct *linux_get_pid_task(pid_t);