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

lockdep.c now uses ARRAY_SIZE().

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Fixes: 75dd602a51 ("lockdep: Fix lock_chain::base size")
Link: http://lkml.kernel.org/r/20170525130005.5947-4-alexander.levin@verizon.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ben Hutchings 2017-05-25 12:58:34 +00:00 committed by Ingo Molnar
parent 98dcea0cfd
commit 108744c45f

View file

@ -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); \