linux-kernel - [tip:core/locking] lockdep: Update memory usage introduced by BFS

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Date:	Sun, 2 Aug 2009 13:02:51 GMT
From:	tip-bot for Ming Lei <tom.leiming@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, tom.leiming@...il.com,
	mingo@...e.hu
Subject: [tip:core/locking] lockdep: Update memory usage introduced by BFS

Commit-ID:  4dd861d6467007681991d8ec079d928db2018cbb
Gitweb:     http://git.kernel.org/tip/4dd861d6467007681991d8ec079d928db2018cbb
Author:     Ming Lei <tom.leiming@...il.com>
AuthorDate: Thu, 16 Jul 2009 15:44:29 +0200
Committer:  Peter Zijlstra <a.p.zijlstra@...llo.nl>
CommitDate: Fri, 24 Jul 2009 10:51:52 +0200

lockdep: Update memory usage introduced by BFS

Also account the BFS memory usage.

Signed-off-by: Ming Lei <tom.leiming@...il.com>
[ fix build for !PROVE_LOCKING ]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
LKML-Reference: <1246201486-7308-9-git-send-email-tom.leiming@...il.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/lockdep.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index b896f23..6358cf7 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3429,7 +3429,11 @@ void __init lockdep_info(void)
 		sizeof(struct list_head) * CLASSHASH_SIZE +
 		sizeof(struct lock_list) * MAX_LOCKDEP_ENTRIES +
 		sizeof(struct lock_chain) * MAX_LOCKDEP_CHAINS +
-		sizeof(struct list_head) * CHAINHASH_SIZE) / 1024);
+		sizeof(struct list_head) * CHAINHASH_SIZE) / 1024
+#ifdef CONFIG_PROVE_LOCKING
+		+ sizeof(struct circular_queue) + sizeof(bfs_accessed)
+#endif
+		);
 
 	printk(" per task-struct memory footprint: %lu bytes\n",
 		sizeof(struct held_lock) * MAX_LOCK_DEPTH);
--
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