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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrea Arcangeli <andrea@qumranet.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	torvalds@linux-foundation.org, clameter@sgi.com, steiner@sgi.com,
	holt@sgi.com, npiggin@suse.de, a.p.zijlstra@chello.nl,
	kvm-devel@lists.sourceforge.net, kanojsarcar@yahoo.com,
	rdreier@cisco.com, swise@opengridcomputing.com,
	linux-kernel@vger.kernel.org, avi@qumranet.com,
	linux-mm@kvack.org, general@lists.openfabrics.org,
	hugh@veritas.com, rusty@rustcorp.com.au, aliguori@us.ibm.com,
	chrisw@redhat.com, marcelo@kvack.org, dada1@cosmosbay.com,
	paulmck@us.ibm.com
Subject: Re: [PATCH 08 of 11] anon-vma-rwsem
Date: Thu, 08 May 2008 09:28:38 +1000	[thread overview]
Message-ID: <1210202918.1421.20.camel@pasglop> (raw)
In-Reply-To: <20080507224406.GI8276@duo.random>


On Thu, 2008-05-08 at 00:44 +0200, Andrea Arcangeli wrote:
> 
> Please note, we can't allow a thread to be in the middle of
> zap_page_range while mmu_notifier_register runs.

You said yourself that mmu_notifier_register can be as slow as you
want ... what about you use stop_machine for it ? I'm not even joking
here :-)

> vmtruncate takes 1 single lock, the i_mmap_lock of the inode. Not more
> than one lock and we've to still take the global-system-wide lock
> _before_ this single i_mmap_lock and no other lock at all.

Ben.



WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrea Arcangeli <andrea@qumranet.com>
Cc: swise@opengridcomputing.com, avi@qumranet.com,
	linux-mm@kvack.org, hugh@veritas.com, npiggin@suse.de,
	kvm-devel@lists.sourceforge.net, rdreier@cisco.com,
	dada1@cosmosbay.com, general@lists.openfabrics.org,
	clameter@sgi.com, steiner@sgi.com, a.p.zijlstra@chello.nl,
	chrisw@redhat.com, marcelo@kvack.org, kanojsarcar@yahoo.com,
	linux-kernel@vger.kernel.org, paulmck@us.ibm.com, holt@sgi.com,
	Andrew Morton <akpm@linux-foundation.org>,
	torvalds@linux-foundation.org
Subject: Re: [PATCH 08 of 11] anon-vma-rwsem
Date: Thu, 08 May 2008 09:28:38 +1000	[thread overview]
Message-ID: <1210202918.1421.20.camel@pasglop> (raw)
In-Reply-To: <20080507224406.GI8276@duo.random>


On Thu, 2008-05-08 at 00:44 +0200, Andrea Arcangeli wrote:
> 
> Please note, we can't allow a thread to be in the middle of
> zap_page_range while mmu_notifier_register runs.

You said yourself that mmu_notifier_register can be as slow as you
want ... what about you use stop_machine for it ? I'm not even joking
here :-)

> vmtruncate takes 1 single lock, the i_mmap_lock of the inode. Not more
> than one lock and we've to still take the global-system-wide lock
> _before_ this single i_mmap_lock and no other lock at all.

Ben.



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WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrea Arcangeli <andrea@qumranet.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	torvalds@linux-foundation.org, clameter@sgi.com, steiner@sgi.com,
	holt@sgi.com, npiggin@suse.de, a.p.zijlstra@chello.nl,
	kvm-devel@lists.sourceforge.net, kanojsarcar@yahoo.com,
	rdreier@cisco.com, swise@opengridcomputing.com,
	linux-kernel@vger.kernel.org, avi@qumranet.com,
	linux-mm@kvack.org, general@lists.openfabrics.org,
	hugh@veritas.com, rusty@rustcorp.com.au, aliguori@us.ibm.com,
	chrisw@redhat.com, marcelo@kvack.org, dada1@cosmosbay.com,
	paulmck@us.ibm.com
Subject: Re: [PATCH 08 of 11] anon-vma-rwsem
Date: Thu, 08 May 2008 09:28:38 +1000	[thread overview]
Message-ID: <1210202918.1421.20.camel@pasglop> (raw)
In-Reply-To: <20080507224406.GI8276@duo.random>

On Thu, 2008-05-08 at 00:44 +0200, Andrea Arcangeli wrote:
> 
> Please note, we can't allow a thread to be in the middle of
> zap_page_range while mmu_notifier_register runs.

You said yourself that mmu_notifier_register can be as slow as you
want ... what about you use stop_machine for it ? I'm not even joking
here :-)

> vmtruncate takes 1 single lock, the i_mmap_lock of the inode. Not more
> than one lock and we've to still take the global-system-wide lock
> _before_ this single i_mmap_lock and no other lock at all.

Ben.


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  parent reply	other threads:[~2008-05-07 23:30 UTC|newest]

Thread overview: 308+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-07 14:35 [PATCH 00 of 11] mmu notifier #v16 Andrea Arcangeli
2008-05-07 14:35 ` Andrea Arcangeli
2008-05-07 14:35 ` [PATCH 01 of 11] mmu-notifier-core Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 17:35   ` Rik van Riel
2008-05-07 17:35     ` Rik van Riel
2008-05-07 17:35     ` [ofa-general] " Rik van Riel
2008-05-07 20:02   ` Andrew Morton
2008-05-07 20:02     ` Andrew Morton
2008-05-07 20:02     ` [ofa-general] " Andrew Morton
2008-05-07 20:05   ` Andrew Morton
2008-05-07 20:05     ` Andrew Morton
2008-05-07 20:05     ` [ofa-general] " Andrew Morton
2008-05-07 20:30     ` Linus Torvalds
2008-05-07 20:30       ` Linus Torvalds
2008-05-07 20:30       ` [ofa-general] " Linus Torvalds
2008-05-07 21:58       ` Andrea Arcangeli
2008-05-07 21:58         ` Andrea Arcangeli
2008-05-07 21:58         ` [ofa-general] " Andrea Arcangeli
2008-05-07 22:11         ` Linus Torvalds
2008-05-07 22:11           ` Linus Torvalds
2008-05-07 22:11           ` [ofa-general] " Linus Torvalds
2008-05-07 22:27           ` Andrea Arcangeli
2008-05-07 22:27             ` Andrea Arcangeli
2008-05-07 22:27             ` [ofa-general] " Andrea Arcangeli
2008-05-07 22:31             ` Roland Dreier
2008-05-07 22:31               ` Roland Dreier
2008-05-07 22:31               ` Roland Dreier
2008-05-07 22:39               ` Andrea Arcangeli
2008-05-07 22:39                 ` Andrea Arcangeli
2008-05-07 22:39                 ` Andrea Arcangeli
2008-05-07 23:03                 ` Linus Torvalds
2008-05-07 23:03                   ` Linus Torvalds
2008-05-07 23:03                   ` Linus Torvalds
2008-05-07 22:37             ` Andrea Arcangeli
2008-05-07 22:37               ` Andrea Arcangeli
2008-05-07 22:37               ` [ofa-general] " Andrea Arcangeli
2008-05-07 23:38               ` Linus Torvalds
2008-05-07 23:38                 ` Linus Torvalds
2008-05-07 23:38                 ` [ofa-general] " Linus Torvalds
2008-05-07 23:00             ` Linus Torvalds
2008-05-07 23:00               ` Linus Torvalds
2008-05-07 23:00               ` [ofa-general] " Linus Torvalds
2008-05-07 14:35 ` [PATCH 02 of 11] get_task_mm Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 15:59   ` Robin Holt
2008-05-07 15:59     ` Robin Holt
2008-05-07 15:59     ` [ofa-general] " Robin Holt
2008-05-07 16:20     ` Andrea Arcangeli
2008-05-07 16:20       ` Andrea Arcangeli
2008-05-07 16:20       ` [ofa-general] " Andrea Arcangeli
2008-05-07 14:35 ` [PATCH 03 of 11] invalidate_page outside PT lock Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 17:39   ` Rik van Riel
2008-05-07 17:39     ` Rik van Riel
2008-05-07 17:39     ` [ofa-general] " Rik van Riel
2008-05-07 17:57     ` Andrea Arcangeli
2008-05-07 17:57       ` Andrea Arcangeli
2008-05-07 17:57       ` [ofa-general] " Andrea Arcangeli
2008-05-07 14:35 ` [PATCH 04 of 11] free-pgtables Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 17:41   ` Rik van Riel
2008-05-07 17:41     ` Rik van Riel
2008-05-07 14:35 ` [PATCH 05 of 11] unmap vmas tlb flushing Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 17:46   ` Rik van Riel
2008-05-07 17:46     ` Rik van Riel
2008-05-07 17:46     ` [ofa-general] " Rik van Riel
2008-05-07 14:35 ` [PATCH 06 of 11] rwsem contended Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 14:35 ` [PATCH 07 of 11] i_mmap_rwsem Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 14:35 ` [PATCH 08 of 11] anon-vma-rwsem Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 20:56   ` Linus Torvalds
2008-05-07 20:56     ` Linus Torvalds
2008-05-07 20:56     ` [ofa-general] " Linus Torvalds
2008-05-07 21:26     ` Andrea Arcangeli
2008-05-07 21:26       ` Andrea Arcangeli
2008-05-07 21:26       ` [ofa-general] " Andrea Arcangeli
2008-05-07 21:36       ` Linus Torvalds
2008-05-07 21:36         ` Linus Torvalds
2008-05-07 21:36         ` [ofa-general] " Linus Torvalds
2008-05-07 22:22         ` Andrea Arcangeli
2008-05-07 22:22           ` Andrea Arcangeli
2008-05-07 22:22           ` Andrea Arcangeli
2008-05-07 22:31           ` Andrew Morton
2008-05-07 22:31             ` Andrew Morton
2008-05-07 22:31             ` [ofa-general] " Andrew Morton
2008-05-07 22:44             ` Andrea Arcangeli
2008-05-07 22:44               ` Andrea Arcangeli
2008-05-07 22:44               ` [ofa-general] " Andrea Arcangeli
2008-05-07 22:59               ` Andrew Morton
2008-05-07 22:59                 ` Andrew Morton
2008-05-07 22:59                 ` [ofa-general] " Andrew Morton
2008-05-07 23:19                 ` Linus Torvalds
2008-05-07 23:19                   ` Linus Torvalds
2008-05-07 23:19                   ` [ofa-general] " Linus Torvalds
2008-05-07 23:39                   ` Christoph Lameter
2008-05-07 23:39                     ` Christoph Lameter
2008-05-07 23:39                     ` [ofa-general] " Christoph Lameter
2008-05-08  0:03                     ` Linus Torvalds
2008-05-08  0:03                       ` Linus Torvalds
2008-05-08  0:03                       ` [ofa-general] " Linus Torvalds
2008-05-08  0:52                       ` Robin Holt
2008-05-08  0:52                         ` Robin Holt
2008-05-08  0:52                         ` [ofa-general] " Robin Holt
2008-05-08  0:56                       ` Christoph Lameter
2008-05-08  0:56                         ` Christoph Lameter
2008-05-08  0:56                         ` [ofa-general] " Christoph Lameter
2008-05-08  1:07                         ` Linus Torvalds
2008-05-08  1:07                           ` Linus Torvalds
2008-05-08  1:07                           ` [ofa-general] " Linus Torvalds
2008-05-08  1:39                         ` Linus Torvalds
2008-05-08  1:39                           ` Linus Torvalds
2008-05-08  1:39                           ` [ofa-general] " Linus Torvalds
2008-05-08  1:52                           ` Andrea Arcangeli
2008-05-08  1:52                             ` Andrea Arcangeli
2008-05-08  1:52                             ` Andrea Arcangeli
2008-05-08  1:57                             ` Linus Torvalds
2008-05-08  1:57                               ` Linus Torvalds
2008-05-08  1:57                               ` [ofa-general] " Linus Torvalds
2008-05-08  2:24                               ` Andrea Arcangeli
2008-05-08  2:24                                 ` Andrea Arcangeli
2008-05-08  2:24                                 ` [ofa-general] " Andrea Arcangeli
2008-05-08  2:32                                 ` Linus Torvalds
2008-05-08  2:32                                   ` Linus Torvalds
2008-05-08  2:32                                   ` [ofa-general] " Linus Torvalds
2008-05-07 23:39                 ` Andrea Arcangeli
2008-05-07 23:39                   ` Andrea Arcangeli
2008-05-07 23:39                   ` [ofa-general] " Andrea Arcangeli
2008-05-08  1:02                   ` Linus Torvalds
2008-05-08  1:02                     ` Linus Torvalds
2008-05-08  1:02                     ` [ofa-general] " Linus Torvalds
2008-05-08  1:12                     ` Christoph Lameter
2008-05-08  1:12                       ` Christoph Lameter
2008-05-08  1:12                       ` [ofa-general] " Christoph Lameter
2008-05-08  1:32                       ` Linus Torvalds
2008-05-08  1:32                         ` Linus Torvalds
2008-05-08  1:32                         ` [ofa-general] " Linus Torvalds
2008-05-08  2:56                       ` Andrea Arcangeli
2008-05-08  2:56                         ` Andrea Arcangeli
2008-05-08  2:56                         ` [ofa-general] " Andrea Arcangeli
2008-05-08  3:10                         ` Christoph Lameter
2008-05-08  3:10                           ` Christoph Lameter
2008-05-08  3:10                           ` [ofa-general] " Christoph Lameter
2008-05-08  3:41                           ` Andrea Arcangeli
2008-05-08  3:41                             ` Andrea Arcangeli
2008-05-08  3:41                             ` [ofa-general] " Andrea Arcangeli
2008-05-08  4:14                             ` Linus Torvalds
2008-05-08  4:14                               ` Linus Torvalds
2008-05-08  4:14                               ` [ofa-general] " Linus Torvalds
2008-05-08  5:20                               ` Andrea Arcangeli
2008-05-08  5:20                                 ` Andrea Arcangeli
2008-05-08  5:20                                 ` Andrea Arcangeli
2008-05-08  5:27                                 ` Pekka Enberg
2008-05-08  5:27                                   ` Pekka Enberg
2008-05-08  5:27                                   ` [ofa-general] " Pekka Enberg
2008-05-08  5:30                                   ` Pekka Enberg
2008-05-08  5:30                                     ` Pekka Enberg
2008-05-08  5:30                                     ` [ofa-general] " Pekka Enberg
2008-05-08  5:49                                     ` Andrea Arcangeli
2008-05-08  5:49                                       ` Andrea Arcangeli
2008-05-08  5:49                                       ` [ofa-general] " Andrea Arcangeli
2008-05-08 15:03                                 ` Linus Torvalds
2008-05-08 15:03                                   ` Linus Torvalds
2008-05-08 15:03                                   ` [ofa-general] " Linus Torvalds
2008-05-08 16:11                                   ` Linus Torvalds
2008-05-08 16:11                                     ` Linus Torvalds
2008-05-08 16:11                                     ` [ofa-general] " Linus Torvalds
2008-05-08 22:01                                     ` Andrea Arcangeli
2008-05-08 22:01                                       ` Andrea Arcangeli
2008-05-08 22:01                                       ` [ofa-general] " Andrea Arcangeli
2008-05-09 18:37                                     ` Peter Zijlstra
2008-05-09 18:37                                       ` Peter Zijlstra
2008-05-09 18:37                                       ` [ofa-general] " Peter Zijlstra
2008-05-09 18:55                                       ` Andrea Arcangeli
2008-05-09 18:55                                         ` Andrea Arcangeli
2008-05-09 18:55                                         ` Andrea Arcangeli
2008-05-09 19:04                                         ` Peter Zijlstra
2008-05-09 19:04                                           ` Peter Zijlstra
2008-05-09 19:04                                           ` Peter Zijlstra
2008-05-08  1:26                     ` Andrea Arcangeli
2008-05-08  1:26                       ` Andrea Arcangeli
2008-05-08  1:26                       ` Andrea Arcangeli
2008-05-07 23:28               ` Benjamin Herrenschmidt [this message]
2008-05-07 23:28                 ` Benjamin Herrenschmidt
2008-05-07 23:28                 ` Benjamin Herrenschmidt
2008-05-07 23:45                 ` Andrea Arcangeli
2008-05-07 23:45                   ` Andrea Arcangeli
2008-05-07 23:45                   ` [ofa-general] " Andrea Arcangeli
2008-05-08  1:34                   ` Andrea Arcangeli
2008-05-08  1:34                     ` Andrea Arcangeli
2008-05-08  1:34                     ` Andrea Arcangeli
2008-05-13 12:14                     ` Nick Piggin
2008-05-13 12:14                       ` Nick Piggin
2008-05-13 12:14                       ` [ofa-general] " Nick Piggin
2008-05-14  5:43                       ` Benjamin Herrenschmidt
2008-05-14  5:43                         ` Benjamin Herrenschmidt
2008-05-14  5:43                         ` Benjamin Herrenschmidt
2008-05-14  6:06                         ` Nick Piggin
2008-05-14  6:06                           ` Nick Piggin
2008-05-14  6:06                           ` [ofa-general] " Nick Piggin
2008-05-14 13:15                         ` Jack Steiner
2008-05-14 13:15                           ` Jack Steiner
2008-05-07 22:44           ` Linus Torvalds
2008-05-07 22:44             ` Linus Torvalds
2008-05-07 22:44             ` [ofa-general] " Linus Torvalds
2008-05-07 22:58             ` Andrea Arcangeli
2008-05-07 22:58               ` Andrea Arcangeli
2008-05-07 22:58               ` [ofa-general] " Andrea Arcangeli
2008-05-07 23:02               ` Andrea Arcangeli
2008-05-07 23:02                 ` Andrea Arcangeli
2008-05-07 23:02                 ` [ofa-general] " Andrea Arcangeli
2008-05-07 23:09               ` Linus Torvalds
2008-05-07 23:09                 ` Linus Torvalds
2008-05-07 23:09                 ` [ofa-general] " Linus Torvalds
2008-05-08  0:38         ` Robin Holt
2008-05-08  0:38           ` Robin Holt
2008-05-08  0:38           ` [ofa-general] " Robin Holt
2008-05-08  0:55           ` Linus Torvalds
2008-05-08  0:55             ` Linus Torvalds
2008-05-08  0:55             ` [ofa-general] " Linus Torvalds
2008-05-13 12:06           ` Nick Piggin
2008-05-13 12:06             ` Nick Piggin
2008-05-13 12:06             ` [ofa-general] " Nick Piggin
2008-05-13 15:32             ` Robin Holt
2008-05-13 15:32               ` Robin Holt
2008-05-13 15:32               ` [ofa-general] " Robin Holt
2008-05-14  4:11               ` Nick Piggin
2008-05-14  4:11                 ` Nick Piggin
2008-05-14  4:11                 ` Nick Piggin
2008-05-14 11:26                 ` Robin Holt
2008-05-14 11:26                   ` Robin Holt
2008-05-14 11:26                   ` Robin Holt
2008-05-14 15:18                   ` Linus Torvalds
2008-05-14 15:18                     ` Linus Torvalds
2008-05-14 15:18                     ` [ofa-general] " Linus Torvalds
2008-05-14 16:22                     ` Robin Holt
2008-05-14 16:22                       ` Robin Holt
2008-05-14 16:22                       ` [ofa-general] " Robin Holt
2008-05-14 16:56                       ` Linus Torvalds
2008-05-14 16:56                         ` Linus Torvalds
2008-05-14 16:56                         ` [ofa-general] " Linus Torvalds
2008-05-14 17:57                     ` Christoph Lameter
2008-05-14 17:57                       ` Christoph Lameter
2008-05-14 17:57                       ` [ofa-general] " Christoph Lameter
2008-05-14 18:27                       ` Linus Torvalds
2008-05-14 18:27                         ` Linus Torvalds
2008-05-14 18:27                         ` [ofa-general] " Linus Torvalds
2008-05-17  1:38                         ` mm notifier: Notifications when pages are unmapped Christoph Lameter
2008-05-17  1:38                           ` Christoph Lameter
2008-05-17  1:38                           ` Christoph Lameter
2008-05-15  7:57                   ` [PATCH 08 of 11] anon-vma-rwsem Nick Piggin
2008-05-15  7:57                     ` Nick Piggin
2008-05-15  7:57                     ` Nick Piggin
2008-05-15 11:01                     ` Robin Holt
2008-05-15 11:01                       ` Robin Holt
2008-05-15 11:01                       ` Robin Holt
2008-05-15 11:12                       ` Avi Kivity
2008-05-15 11:12                         ` Avi Kivity
2008-05-15 11:12                         ` [ofa-general] " Avi Kivity
2008-05-15 17:33                     ` Christoph Lameter
2008-05-15 17:33                       ` Christoph Lameter
2008-05-15 17:33                       ` [ofa-general] " Christoph Lameter
2008-05-15 23:52                       ` Nick Piggin
2008-05-15 23:52                         ` Nick Piggin
2008-05-15 23:52                         ` [ofa-general] " Nick Piggin
2008-05-16 11:23                         ` Robin Holt
2008-05-16 11:23                           ` Robin Holt
2008-05-16 11:23                           ` [ofa-general] " Robin Holt
2008-05-16 11:50                           ` Robin Holt
2008-05-16 11:50                             ` Robin Holt
2008-05-16 11:50                             ` [ofa-general] " Robin Holt
2008-05-20  5:31                             ` Nick Piggin
2008-05-20  5:31                               ` Nick Piggin
2008-05-20 10:01                               ` Robin Holt
2008-05-20 10:01                                 ` Robin Holt
2008-05-20 10:50                                 ` Nick Piggin
2008-05-20 10:50                                   ` Nick Piggin
2008-05-20 11:05                                   ` Robin Holt
2008-05-20 11:05                                     ` Robin Holt
2008-05-20 11:14                                     ` Nick Piggin
2008-05-20 11:14                                       ` Nick Piggin
2008-05-20 11:26                                       ` Robin Holt
2008-05-20 11:26                                         ` Robin Holt
2008-05-07 22:42       ` Jack Steiner
2008-05-07 22:42         ` Jack Steiner
2008-05-07 22:42         ` [ofa-general] " Jack Steiner
2008-05-07 14:35 ` [PATCH 09 of 11] mm_lock-rwsem Andrea Arcangeli
2008-05-07 14:35   ` Andrea Arcangeli
2008-05-07 14:35   ` [ofa-general] " Andrea Arcangeli
2008-05-07 14:36 ` [PATCH 10 of 11] export zap_page_range for XPMEM Andrea Arcangeli
2008-05-07 14:36   ` Andrea Arcangeli
2008-05-07 14:36   ` [ofa-general] " Andrea Arcangeli
2008-05-07 14:36 ` [PATCH 11 of 11] mmap sems Andrea Arcangeli
2008-05-07 14:36   ` Andrea Arcangeli
2008-05-07 14:36   ` [ofa-general] " Andrea Arcangeli
  -- strict thread matches above, loose matches on Subject: below --
2008-05-02 15:05 [PATCH 00 of 11] mmu notifier #v15 Andrea Arcangeli
2008-05-02 15:05 ` [PATCH 08 of 11] anon-vma-rwsem Andrea Arcangeli
2008-05-02 15:05   ` Andrea Arcangeli

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