diff --git a/sys/compat/linuxkpi/common/include/linux/preempt.h b/sys/compat/linuxkpi/common/include/linux/preempt.h
index 4a51e292ef68..bff8860c92e7 100644
--- a/sys/compat/linuxkpi/common/include/linux/preempt.h
+++ b/sys/compat/linuxkpi/common/include/linux/preempt.h
@@ -34,6 +34,8 @@
 #define	in_interrupt() \
 	(curthread->td_intr_nesting_level || curthread->td_critnest)
 
+#define	in_task() (curthread->td_priority >= PI_SOFT)
+
 #define	preempt_disable()	critical_enter()
 #define	preempt_enable()	critical_exit()