linux-kernel - [GIT PULL] core kernel fixes

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Message-ID: <20090518142301.GA22765@elte.hu>
Date:	Mon, 18 May 2009 16:23:01 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [GIT PULL] core kernel fixes

Linus,

Please pull the latest core-fixes-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git core-fixes-for-linus

 Thanks,

	Ingo

------------------>
Ingo Molnar (1):
      lockdep: increase MAX_LOCKDEP_ENTRIES and MAX_LOCKDEP_CHAINS

Thomas Gleixner (1):
      futex: futex mapping needs to be writable


 kernel/futex.c             |    2 +-
 kernel/lockdep_internals.h |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index eef8cd2..09db3ae 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -235,7 +235,7 @@ static int get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key)
 	}
 
 again:
-	err = get_user_pages_fast(address, 1, 0, &page);
+	err = get_user_pages_fast(address, 1, 1, &page);
 	if (err < 0)
 		return err;
 
diff --git a/kernel/lockdep_internals.h b/kernel/lockdep_internals.h
index a2cc7e9..699a2ac 100644
--- a/kernel/lockdep_internals.h
+++ b/kernel/lockdep_internals.h
@@ -54,9 +54,9 @@ enum {
  * table (if it's not there yet), and we check it for lock order
  * conflicts and deadlocks.
  */
-#define MAX_LOCKDEP_ENTRIES	8192UL
+#define MAX_LOCKDEP_ENTRIES	16384UL
 
-#define MAX_LOCKDEP_CHAINS_BITS	14
+#define MAX_LOCKDEP_CHAINS_BITS	15
 #define MAX_LOCKDEP_CHAINS	(1UL << MAX_LOCKDEP_CHAINS_BITS)
 
 #define MAX_LOCKDEP_CHAIN_HLOCKS (MAX_LOCKDEP_CHAINS*5)
--
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