On Sat, 2009-07-18 at 14:24 +0000, tip-bot for Ming Lei wrote:
> Commit-ID: 292264ece1ffdc9dacc1af486e28ee91cc66fb2d
> Gitweb: http://git.kernel.org/tip/292264ece1ffdc9dacc1af486e28ee91cc66fb2d
> Author: Ming Lei <tom.leiming@xxxxxxxxx>
> AuthorDate: Thu, 16 Jul 2009 15:44:29 +0200
> Committer: Ingo Molnar <mingo@xxxxxxx>
> CommitDate: Sat, 18 Jul 2009 16:02:56 +0200
>
> lockdep: Update memory usage introduced by BFS
>
> Also account the BFS memory usage.
>
> Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> LKML-Reference: <1246201486-7308-9-git-send-email-tom.leiming@xxxxxxxxx>
> Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
>
>
> ---
> kernel/lockdep.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/lockdep.c b/kernel/lockdep.c
> index b896f23..930335d 100644
> --- a/kernel/lockdep.c
> +++ b/kernel/lockdep.c
> @@ -3429,7 +3429,8 @@ 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 +
> + sizeof(struct circular_queue) + sizeof(bfs_accessed));
>
> printk(" per task-struct memory footprint: %lu bytes\n",
> sizeof(struct held_lock) * MAX_LOCK_DEPTH);
/usr/src/linux-2.6/kernel/lockdep.c:3493: error: invalid application of
'sizeof' to incomplete type 'struct circular_queue'
This wants the following folded in.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
---
kernel/lockdep.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 3718a98..33fdda9 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3489,8 +3489,11 @@ 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 circular_queue) + sizeof(bfs_accessed));
+ 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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