From: Andrew Morton <akpm@osdl.org>

Make it compile...

Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Jiri Kosina <jikos@jikos.cz>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 include/linux/spinlock.h |    3 +++
 1 file changed, 3 insertions(+)

diff -puN include/linux/spinlock.h~lockdep-spin_lock_irqsave_nested-fix include/linux/spinlock.h
--- a/include/linux/spinlock.h~lockdep-spin_lock_irqsave_nested-fix
+++ a/include/linux/spinlock.h
@@ -230,6 +230,9 @@ do {								\
 		BUILD_CHECK_IRQ_FLAGS(flags);		\
 		_write_lock_irqsave(lock, flags);	\
 	} while (0)
+#define spin_lock_irqsave_nested(lock, flags, subclass)	\
+	spin_lock_irqsave(lock, flags)
+
 #endif
 
 #define spin_lock_irq(lock)		_spin_lock_irq(lock)
_