1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/spinlock_api_up.h b/include/linux/spinlock_api_up.h
index cd81cee566f..67faa044c5f 100644
--- a/include/linux/spinlock_api_up.h
+++ b/include/linux/spinlock_api_up.h
@@ -49,6 +49,7 @@
   do { local_irq_restore(flags); __UNLOCK(lock); } while (0)
 
 #define _spin_lock(lock)                        __LOCK(lock)
+#define _spin_lock_nested(lock, subclass)       __LOCK(lock)
 #define _read_lock(lock)                        __LOCK(lock)
 #define _write_lock(lock)                       __LOCK(lock)
 #define _spin_lock_bh(lock)                     __LOCK_BH(lock)