From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Andrea Arcangeli <aarcange@redhat.com>,
Avi Kivity <avi@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
Rik van Riel <riel@redhat.com>, Ingo Molnar <mingo@elte.hu>,
akpm@linux-foundation.org,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-mm@kvack.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
David Miller <davem@davemloft.net>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Mel Gorman <mel@csn.ul.ie>, Nick Piggin <npiggin@kernel.dk>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
Yanmin Zhang <yanmin_zhang@linux.intel.com>
Subject: [PATCH 0/8] mm: Preemptibility -v9
Date: Wed, 02 Mar 2011 18:54:58 +0100 [thread overview]
Message-ID: <20110302175458.726109015@chello.nl> (raw)
This series depends on the previous two series:
- mm: Simplify anon_vma lifetime rules (merged by akpm)
- mm: mmu_gather rework
These patches make part of the mm a lot more preemptible. It converts
i_mmap_lock and anon_vma->lock to mutexes which together with the mmu_gather
rework makes mmu_gather preemptible as well.
Making i_mmap_lock a mutex also enables a clean-up of the truncate code.
This also allows for preemptible mmu_notifiers, something that XPMEM I think
wants.
Furthermore, it removes the new and universially detested unmap_mutex.
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next reply other threads:[~2011-03-02 17:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-02 17:54 Peter Zijlstra [this message]
2011-03-02 17:54 ` [PATCH 1/8] lockdep, mutex: Provide mutex_lock_nest_lock Peter Zijlstra
2011-03-02 17:55 ` [PATCH 2/8] mm: Remove i_mmap_lock lockbreak Peter Zijlstra
2011-03-02 17:55 ` [PATCH 3/8] mm: Convert i_mmap_lock to a mutex Peter Zijlstra
2011-03-02 17:55 ` [PATCH 4/8] mm: Revert page_lock_anon_vma() lock annotation Peter Zijlstra
2011-03-02 17:55 ` [PATCH 5/8] mm: Improve page_lock_anon_vma() comment Peter Zijlstra
2011-03-02 17:55 ` [PATCH 6/8] mm: Use refcounts for page_lock_anon_vma() Peter Zijlstra
2011-03-02 17:55 ` [PATCH 7/8] mm: Convert anon_vma->lock to a mutex Peter Zijlstra
2011-03-02 17:55 ` [PATCH 8/8] mm: Optimize page_lock_anon_vma() fast-path Peter Zijlstra
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