Index: sys/compat/linuxkpi/common/include/asm/atomic.h
===================================================================
--- sys/compat/linuxkpi/common/include/asm/atomic.h
+++ sys/compat/linuxkpi/common/include/asm/atomic.h
@@ -55,6 +55,7 @@
 #define	atomic_inc_and_test(v)		(atomic_add_return(1, (v)) == 0)
 #define	atomic_dec_return(v)		atomic_sub_return(1, (v))
 #define	atomic_inc_not_zero(v)		atomic_add_unless((v), 1, 0)
+#define	atomic_fetch_inc(v)		(atomic_inc_return(v) - 1)
 
 static inline int
 atomic_add_return(int i, atomic_t *v)