[tip:locking/core] locking/lockdep: Reorder struct lock_class members

From: tip-bot for Bart Van Assche
Date: Thu Feb 28 2019 - 02:06:06 EST


Commit-ID: 09329d1c2024522308ca4de977fc6bba753bab1a
Gitweb: https://git.kernel.org/tip/09329d1c2024522308ca4de977fc6bba753bab1a
Author: Bart Van Assche <bvanassche@xxxxxxx>
AuthorDate: Thu, 14 Feb 2019 15:00:40 -0800
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 28 Feb 2019 07:55:40 +0100

locking/lockdep: Reorder struct lock_class members

This patch does not change any functionality but makes the patch that
frees lock classes that are no longer in use easier to read.

Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Waiman Long <longman@xxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: johannes.berg@xxxxxxxxx
Cc: tj@xxxxxxxxxx
Link: https://lkml.kernel.org/r/20190214230058.196511-6-bvanassche@xxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
include/linux/lockdep.h | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index c5335df2372f..0c38bade84b7 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -76,6 +76,13 @@ struct lock_class {
*/
struct list_head lock_entry;

+ /*
+ * These fields represent a directed graph of lock dependencies,
+ * to every node we attach a list of "forward" and a list of
+ * "backward" graph nodes.
+ */
+ struct list_head locks_after, locks_before;
+
struct lockdep_subclass_key *key;
unsigned int subclass;
unsigned int dep_gen_id;
@@ -86,13 +93,6 @@ struct lock_class {
unsigned long usage_mask;
struct stack_trace usage_traces[XXX_LOCK_USAGE_STATES];

- /*
- * These fields represent a directed graph of lock dependencies,
- * to every node we attach a list of "forward" and a list of
- * "backward" graph nodes.
- */
- struct list_head locks_after, locks_before;
-
/*
* Generation counter, when doing certain classes of graph walking,
* to ensure that we check one node only once: