From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: linux-kernel@vger.kernel.org
Cc: akpm@linux-foundation.org, Zach Brown <zach.brown@oracle.com>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [RFC/T PATCH 09/12] lockdep: increase MAX_LOCK_DEPTH
Date: Tue, 17 Jul 2007 19:34:37 +0200 [thread overview]
Message-ID: <20070717173758.778235000@chello.nl> (raw)
In-Reply-To: 20070717173428.355522000@chello.nl
[-- Attachment #1: lockdep-depth.patch --]
[-- Type: text/plain, Size: 638 bytes --]
we can easily hold PAGE_VEC (and more in places) page locks.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
include/linux/sched.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6/include/linux/sched.h
===================================================================
--- linux-2.6.orig/include/linux/sched.h
+++ linux-2.6/include/linux/sched.h
@@ -1246,7 +1246,7 @@ struct task_struct {
int softirq_context;
#endif
#ifdef CONFIG_LOCKDEP
-# define MAX_LOCK_DEPTH 30UL
+# define MAX_LOCK_DEPTH 48UL
u64 curr_chain_key;
int lockdep_depth;
struct held_lock held_locks[MAX_LOCK_DEPTH];
--
next prev parent reply other threads:[~2007-07-17 15:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-17 17:34 [RFC/T PATCH 00/12] lockdep: annotate lock_page Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 01/12] lockdep: annotate journal_start() Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 02/12] mm: trylock_page Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 03/12] mm: remove raw SetPageLocked() usage Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 04/12] mm: remove raw ClearPageLocked() usage Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 05/12] lockdep: add initial lockdep support for lock_page Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 06/12] lockdep: lock_page: handle IO-completions Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 07/12] lockdep: non-recursive validation Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 08/12] lockdep: lock_page: recursion Peter Zijlstra
2007-07-17 17:34 ` Peter Zijlstra [this message]
2007-07-17 17:34 ` [RFC/T PATCH 10/12] lockdep: fs: per file-system type lock_page class Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 11/12] lockdep: lock_page: use per fs-type " Peter Zijlstra
2007-07-17 17:34 ` [RFC/T PATCH 12/12] mm: set_page_mapping() Peter Zijlstra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070717173758.778235000@chello.nl \
--to=a.p.zijlstra@chello.nl \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=zach.brown@oracle.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.