From: Adrian Bunk <bunk@kernel.org>

In file included from /home/bunk/linux/kernel-2.6/linux-2.6.23-rc4-mm1/include/linux/bitops.h:17,
                 from /home/bunk/linux/kernel-2.6/linux-2.6.23-rc4-mm1/include/linux/kernel.h:15,
                 from /home/bunk/linux/kernel-2.6/linux-2.6.23-rc4-mm1/include/linux/sched.h:50,
                 from /home/bunk/linux/kernel-2.6/linux-2.6.23-rc4-mm1/arch/alpha/kernel/asm-offsets.c:9:
include2/asm/bitops.h: In function 'clear_bit_unlock':
include2/asm/bitops.h:75: error: implicit declaration of function 'smp_mb'
make[2]: *** [arch/alpha/kernel/asm-offsets.s] Error 1

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/asm-alpha/bitops.h |    1 +
 1 file changed, 1 insertion(+)

diff -puN include/asm-alpha/bitops.h~alpha-lock-bitops-fix include/asm-alpha/bitops.h
--- a/include/asm-alpha/bitops.h~alpha-lock-bitops-fix
+++ a/include/asm-alpha/bitops.h
@@ -6,6 +6,7 @@
 #endif
 
 #include <asm/compiler.h>
+#include <asm/barrier.h>
 
 /*
  * Copyright 1994, Linus Torvalds.
_