From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Hugh Dickins <hughd@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
David Miller <davem@davemloft.net>,
Nick Piggin <npiggin@kernel.dk>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH 00/21] mm: Preemptibility -v6
Date: Tue, 18 Jan 2011 11:44:44 +0100 [thread overview]
Message-ID: <1295347484.30950.495.camel@laptop> (raw)
In-Reply-To: <alpine.LSU.2.00.1101172301340.2899@sister.anvils>
On Mon, 2011-01-17 at 23:12 -0800, Hugh Dickins wrote:
> 18/21 mutex-provide_mutex_is_contended.patch
> I suppose so, though if we use it in the truncate path, then we are
> stuck with the vm_truncate_count stuff I'd rather hoped would go away;
> but I guess you're right, that if we did spin_needbreak/need_lockbreak
> before, then we ought to do this now - though I suspect I only added
> it because I had to insert a resched-point anyway, and it seemed a good
> idea at the time to check lockbreak too since that had just been added.
Like the other missed cleanups now possible, these are things we can
most definitely look at once the dust settles a bit. I just didn't want
to rewrite the world in one go.
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next prev parent reply other threads:[~2011-01-18 10:45 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-26 14:38 Peter Zijlstra
2010-11-26 14:38 ` [PATCH 01/21] mm: Revert page_lock_anon_vma() lock annotation Peter Zijlstra
2010-11-30 1:19 ` KOSAKI Motohiro
2010-11-26 14:38 ` [PATCH 02/21] powerpc: Use call_rcu_sched() for pagetables Peter Zijlstra
2010-11-27 10:33 ` Nick Piggin
2010-11-27 21:55 ` Benjamin Herrenschmidt
2010-11-26 14:38 ` [PATCH 03/21] mm: Improve page_lock_anon_vma() comment Peter Zijlstra
2010-11-29 2:14 ` KAMEZAWA Hiroyuki
2010-11-26 14:38 ` [PATCH 04/21] mm: Rename drop_anon_vma to put_anon_vma Peter Zijlstra
2010-11-29 2:16 ` KAMEZAWA Hiroyuki
2010-11-26 14:38 ` [PATCH 05/21] mm: Move anon_vma ref out from under CONFIG_KSM Peter Zijlstra
2010-11-29 2:19 ` KAMEZAWA Hiroyuki
2010-11-26 14:38 ` [PATCH 06/21] mm: Simplify anon_vma refcounts Peter Zijlstra
2010-11-29 2:30 ` KAMEZAWA Hiroyuki
2010-11-26 14:38 ` [PATCH 07/21] mm: Use refcounts for page_lock_anon_vma() Peter Zijlstra
2010-11-29 2:35 ` KAMEZAWA Hiroyuki
2010-11-29 20:41 ` Peter Zijlstra
2010-11-30 1:21 ` KOSAKI Motohiro
2010-11-26 14:38 ` [PATCH 08/21] mm: Preemptible mmu_gather Peter Zijlstra
2010-11-29 2:53 ` KAMEZAWA Hiroyuki
2010-11-29 20:47 ` Peter Zijlstra
2010-11-26 14:38 ` [PATCH 09/21] powerpc: " Peter Zijlstra
2010-11-30 3:12 ` Benjamin Herrenschmidt
2010-11-30 3:35 ` Benjamin Herrenschmidt
2010-11-30 19:25 ` Peter Zijlstra
2010-11-26 14:38 ` [PATCH 10/21] sparc: " Peter Zijlstra
2010-11-26 14:38 ` [PATCH 11/21] s390: preemptible mmu_gather Peter Zijlstra
2010-11-26 14:38 ` [PATCH 12/21] arm: Preemptible mmu_gather Peter Zijlstra
2010-11-26 14:38 ` [PATCH 13/21] sh: " Peter Zijlstra
2010-11-26 14:38 ` [PATCH 14/21] um: " Peter Zijlstra
2010-11-26 14:38 ` [PATCH 15/21] ia64: " Peter Zijlstra
2010-11-26 14:38 ` [PATCH 16/21] mm, powerpc: Move the RCU page-table freeing into generic code Peter Zijlstra
2010-11-30 3:05 ` Benjamin Herrenschmidt
2010-11-26 14:39 ` [PATCH 17/21] lockdep, mutex: Provide mutex_lock_nest_lock Peter Zijlstra
2010-11-26 14:39 ` [PATCH 18/21] mutex: Provide mutex_is_contended Peter Zijlstra
2010-11-29 2:58 ` KAMEZAWA Hiroyuki
2010-11-29 20:49 ` Peter Zijlstra
2010-11-26 14:39 ` [PATCH 19/21] mm: Convert i_mmap_lock and anon_vma->lock to mutexes Peter Zijlstra
2010-11-29 3:05 ` KAMEZAWA Hiroyuki
2010-11-29 20:50 ` Peter Zijlstra
2010-11-30 1:28 ` KOSAKI Motohiro
2010-11-26 14:39 ` [PATCH 20/21] mm: Extended batches for generic mmu_gather Peter Zijlstra
2010-11-29 3:11 ` KAMEZAWA Hiroyuki
2010-11-26 14:39 ` [PATCH 21/21] mm: Optimize page_lock_anon_vma() fast-path Peter Zijlstra
2010-11-29 3:22 ` KAMEZAWA Hiroyuki
2010-11-29 9:00 ` [PATCH 00/21] mm: Preemptibility -v6 Benjamin Herrenschmidt
2010-11-29 11:41 ` Peter Zijlstra
2011-01-18 7:12 ` Hugh Dickins
2011-01-18 10:30 ` Peter Zijlstra
2011-01-18 10:44 ` Peter Zijlstra [this message]
2011-01-18 10:50 ` Peter Zijlstra
2011-01-19 17:10 ` Peter Zijlstra
2011-01-20 19:57 ` Hugh Dickins
2011-01-21 7:36 ` Benjamin Herrenschmidt
2011-01-21 15:33 ` Peter Zijlstra
2011-01-22 21:06 ` Paul E. McKenney
2011-01-23 11:03 ` Peter Zijlstra
2011-01-24 12:21 ` Peter Zijlstra
2011-01-24 14:34 ` Oleg Nesterov
2011-01-24 15:00 ` Peter Zijlstra
2011-01-24 15:33 ` Oleg Nesterov
2011-01-24 12:45 ` Peter Zijlstra
2011-01-24 14:24 ` Peter Zijlstra
2011-01-21 17:44 ` Andrea Arcangeli
2011-01-31 10:02 ` Martin Schwidefsky
2011-02-15 14:00 ` Martin Schwidefsky
2011-02-15 15:39 ` Martin Schwidefsky
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