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Date:	Fri, 28 Sep 2007 09:42:00 +0200
From:	Peter Zijlstra <>
To:	lkml <>,
Cc:	Zach Brown <>, Ingo Molnar <>,, Peter Zijlstra <>
Subject: [PATCH 00/12] various lockdep patches

The first 3 patches provide a new lockdep check, it verifies we don't hold any
locks when returning to userspace.


Could the various arch maintainers that have support for lockdep help out
with placing this hook?

A journal_start annotation:


Up until this point stuff should be safe to merge (assuming there are no
objections and bugs.. :-)

The rest of the series annotates lock_page():

  rework lock_page() API:

  actuall lockdep annotation:

Part of that is re-working the lock_page() API a bit. It introduces 
trylock_page(), and removes all the raw *PageLock() usage.

I've compile and boot tested this series on x86_64 (with and without lockdep).
And it completes an LTP run with lockdep enabled.

Andrew, can we start by pusing the lock_page() API rework into -mm?

 [ this series is against -linus, but if you're willing I'll do some 
   patches against -mm ]

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