From f0b37fad9a63217c39997b2d2b31f44e3d8be727 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai@kernel.org>
Date: Wed, 28 Jul 2010 15:28:21 +1000
Subject: memblock: Protect memblock.h with CONFIG_HAVE_MEMBLOCK

This should make it easier to catch/debug incorrect use when
the CONFIG_ option isn't set.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index dfa6449..c24b278 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -2,6 +2,7 @@
 #define _LINUX_MEMBLOCK_H
 #ifdef __KERNEL__
 
+#ifdef CONFIG_HAVE_MEMBLOCK
 /*
  * Logical memory blocks.
  *
@@ -148,6 +149,8 @@ static inline unsigned long memblock_region_pages(const struct memblock_region *
 	     region++)
 
 
+#endif /* CONFIG_HAVE_MEMBLOCK */
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_MEMBLOCK_H */
-- 
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