From e48b3deee475134585eed03e7afebe4bf9e0dba9 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <matthew@wil.cx>
Date: Tue, 26 Feb 2008 18:34:25 -0500
Subject: Add semaphore.h to kernel_lock.c

kernel_lock.c uses DECLARE_MUTEX, up() and down() without explicitly
including asm/semaphore.h.  This is fragile and leaves it vulnerable
to breakage during header reorganisations.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
---
 lib/kernel_lock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/kernel_lock.c b/lib/kernel_lock.c
index 812dbf00844b..fbc11a336bc5 100644
--- a/lib/kernel_lock.c
+++ b/lib/kernel_lock.c
@@ -8,6 +8,7 @@
 #include <linux/smp_lock.h>
 #include <linux/module.h>
 #include <linux/kallsyms.h>
+#include <asm/semaphore.h>
 
 /*
  * The 'big kernel semaphore'
-- 
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