tools/lib/lockdep: Define the ARRAY_SIZE() macro

lockdep.c now uses ARRAY_SIZE(). Signed-off-by: Ben Hutchings <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Fixes: 75dd602 ("lockdep: Fix lock_chain::base size") Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
jimmycarry · Jun 5, 2017 · 108744c · 108744c
1 parent 98dcea0
commit 108744c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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);	\