linux-kernel - [PATCH 3/7] liblockdep: Define the ARRAY

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Message-ID: <20160614204803.GV7555@decadent.org.uk>
Date:	Tue, 14 Jun 2016 21:48:03 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 3/7] liblockdep: Define the ARRAY_SIZE() macro

lockdep.c now uses ARRAY_SIZE().

Fixes: 75dd602a5198 ("lockdep: Fix lock_chain::base size")
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 tools/lib/lockdep/uinclude/linux/kernel.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/lib/lockdep/uinclude/linux/kernel.h b/tools/lib/lockdep/uinclude/linux/kernel.h
index 276c7a8b2ed1..da87bd9ad2c1 100644
--- a/tools/lib/lockdep/uinclude/linux/kernel.h
+++ b/tools/lib/lockdep/uinclude/linux/kernel.h
@@ -7,6 +7,8 @@
 #include <linux/hardirq.h>
 #include <linux/kern_levels.h>
 
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
 #ifndef container_of
 #define container_of(ptr, type, member) ({			\
 	const typeof(((type *)0)->member) * __mptr = (ptr);	\


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