linux-kernel - [tip:locking/core] locking/lockdep: Fix reported required memory size (2/2)

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Date:   Wed, 27 Feb 2019 23:03:59 -0800
From:   tip-bot for Bart Van Assche <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org,
        johannes@...solutions.net, tglx@...utronix.de,
        akpm@...ux-foundation.org, paulmck@...ux.vnet.ibm.com,
        bvanassche@....org, hpa@...or.com, peterz@...radead.org,
        will.deacon@....com, longman@...hat.com,
        torvalds@...ux-foundation.org
Subject: [tip:locking/core] locking/lockdep: Fix reported required memory
 size (2/2)

Commit-ID:  15ea86b58c71d05e0921bebcf707aa30e43e9e25
Gitweb:     https://git.kernel.org/tip/15ea86b58c71d05e0921bebcf707aa30e43e9e25
Author:     Bart Van Assche <bvanassche@....org>
AuthorDate: Thu, 14 Feb 2019 15:00:38 -0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 28 Feb 2019 07:55:39 +0100

locking/lockdep: Fix reported required memory size (2/2)

Lock chains are only tracked with CONFIG_PROVE_LOCKING=y. Do not report
the memory required for the lock chain array if CONFIG_PROVE_LOCKING=n.
See also commit:

  ca58abcb4a6d ("lockdep: sanitise CONFIG_PROVE_LOCKING")

Include the size of the chain_hlocks[] array.

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/20190214230058.196511-4-bvanassche@acm.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/locking/lockdep.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 57a523f0273c..ec6f6aff4d8d 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -4270,10 +4270,11 @@ void __init lockdep_init(void)
 	       (sizeof(lock_classes) +
 		sizeof(classhash_table) +
 		sizeof(list_entries) +
-		sizeof(lock_chains) +
 		sizeof(chainhash_table)
 #ifdef CONFIG_PROVE_LOCKING
 		+ sizeof(lock_cq)
+		+ sizeof(lock_chains)
+		+ sizeof(chain_hlocks)
 #endif
 		) / 1024
 		);