[tip:locking/core] locking/lockdep: Remove ::version from lock_class structure

[tip-bot for Waiman Long]

Commit-ID:  2421b7f3573babfe1673a5ffee1677a5013e6df1
Gitweb:     https://git.kernel.org/tip/2421b7f3573babfe1673a5ffee1677a5013e6df1
Author:     Waiman Long <longman@xxxxxxxxxx>
AuthorDate: Mon, 19 Nov 2018 13:55:10 -0500
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 11 Dec 2018 14:54:46 +0100

locking/lockdep: Remove ::version from lock_class structure

It turns out the version field in the lock_class structure isn't used
anywhere. Just remove it.

Signed-off-by: Waiman Long <longman@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Petr Mladek <pmladek@xxxxxxxx>
Cc: Sasha Levin <sasha.levin@xxxxxxxxxx>
Cc: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: kasan-dev@xxxxxxxxxxxxxxxx
Link: https://lkml.kernel.org/r/1542653726-5655-2-git-send-email-longman@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 include/linux/lockdep.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 1fd82ff99c65..c5335df2372f 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -97,8 +97,6 @@ struct lock_class {
 	 * Generation counter, when doing certain classes of graph walking,
 	 * to ensure that we check one node only once:
 	 */
-	unsigned int			version;
-
 	int				name_version;
 	const char			*name;