linux-kernel - [tip:locking/core] locking/lockdep: Reorder struct lock

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Message-ID: <tip-09329d1c2024522308ca4de977fc6bba753bab1a@git.kernel.org>
Date:   Wed, 27 Feb 2019 23:05:18 -0800
From:   tip-bot for Bart Van Assche <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     will.deacon@....com, peterz@...radead.org,
        johannes@...solutions.net, paulmck@...ux.vnet.ibm.com,
        tglx@...utronix.de, mingo@...nel.org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
        longman@...hat.com, hpa@...or.com, bvanassche@....org
Subject: [tip:locking/core] locking/lockdep: Reorder struct lock_class
 members

Commit-ID:  09329d1c2024522308ca4de977fc6bba753bab1a
Gitweb:     https://git.kernel.org/tip/09329d1c2024522308ca4de977fc6bba753bab1a
Author:     Bart Van Assche <bvanassche@....org>
AuthorDate: Thu, 14 Feb 2019 15:00:40 -0800
Committer:  Ingo Molnar <mingo@...nel.org>
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@....org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Johannes Berg <johannes@...solutions.net>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Waiman Long <longman@...hat.com>
Cc: Will Deacon <will.deacon@....com>
Cc: johannes.berg@...el.com
Cc: tj@...nel.org
Link: https://lkml.kernel.org/r/20190214230058.196511-6-bvanassche@acm.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 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: