From: Martin Bligh <mbligh@google.com>
To: Peter Chubb <peterc@gelato.unsw.edu.au>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Christoph Lameter <clameter@sgi.com>,
Nick Piggin <piggin@cyberone.com.au>,
Linus Torvalds <torvalds@osdl.org>, Andi Kleen <ak@suse.de>,
Rohit Seth <rohitseth@google.com>, Andrew Morton <akpm@osdl.org>,
hugh@veritas.com, riel@redhat.com, andrea@suse.de,
arjan@infradead.org, apw@shadowen.org, mel@csn.ul.ie,
marcelo@kvack.org, anton@samba.org, paulmck@us.ibm.com,
linux-mm <linux-mm@kvack.org>
Subject: Re: [RFC][PATCH 1/3] tracking dirty pages in shared mappings -V4
Date: Tue, 09 May 2006 13:55:22 -0700 [thread overview]
Message-ID: <446101BA.4000208@google.com> (raw)
In-Reply-To: <17505.267.931504.918245@wombat.chubb.wattle.id.au>
Peter Chubb wrote:
>>>>>>"Peter" == Peter Zijlstra <a.p.zijlstra@chello.nl> writes:
>
>
> Peter> From: Peter Zijlstra <a.p.zijlstra@chello.nl> People expressed
> Peter> the need to track dirty pages in shared mappings.
>
> Peter> Linus outlined the general idea of doing that through making
> Peter> clean writable pages write-protected and taking the write
> Peter> fault.
>
> What does this do to performance on TPC workloads? How many extra
> faults are there likely to be?
They all use large pages anyway ...
M.
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next prev parent reply other threads:[~2006-05-09 20:55 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-05 20:35 [RFC][PATCH] tracking dirty pages in shared mappings Peter Zijlstra
2006-05-06 13:18 ` Nick Piggin
2006-05-06 13:34 ` Peter Zijlstra
2006-05-06 13:47 ` Nick Piggin
2006-05-06 15:29 ` Peter Zijlstra
2006-05-07 0:40 ` Nick Piggin
2006-05-07 3:43 ` Nick Piggin
2006-05-08 6:43 ` Christoph Lameter
2006-05-08 7:23 ` Peter Zijlstra
2006-05-08 19:20 ` [RFC][PATCH 1/2] tracking dirty pages in shared mappings -V3 Peter Zijlstra
2006-05-09 5:41 ` Christoph Lameter
2006-05-09 6:06 ` Peter Zijlstra
2006-05-09 20:44 ` [RFC][PATCH 1/3] tracking dirty pages in shared mappings -V4 Peter Zijlstra
2006-05-09 20:52 ` Peter Chubb
2006-05-09 20:55 ` Martin Bligh [this message]
2006-05-09 22:56 ` Brian Twichell
2006-05-10 0:24 ` Linus Torvalds
2006-05-10 0:29 ` Nick Piggin
2006-05-10 1:24 ` Linus Torvalds
2006-05-11 15:02 ` Andrew Morton
2006-05-11 16:39 ` Andy Whitcroft
2006-05-11 22:52 ` Christoph Lameter
2006-05-11 23:30 ` Linus Torvalds
2006-05-11 23:44 ` Andrew Morton
2006-05-12 0:10 ` Linus Torvalds
2006-05-12 8:07 ` Andy Whitcroft
2006-05-12 14:25 ` Martin J. Bligh
2006-05-14 15:58 ` Andy Whitcroft
2006-05-12 1:51 ` Nick Piggin
2006-05-12 4:30 ` Andrew Morton
2006-05-12 5:05 ` Nick Piggin
2006-05-12 7:06 ` Peter Zijlstra
2006-05-12 8:04 ` Nick Piggin
2006-05-12 8:52 ` Peter Zijlstra
2006-05-12 8:07 ` Nick Piggin
2006-05-12 4:51 ` Christoph Lameter
2006-05-09 20:44 ` [RFC][PATCH 2/3] throttle writers of shared mappings Peter Zijlstra
2006-05-09 22:54 ` Nick Piggin
2006-05-09 22:55 ` Nick Piggin
2006-05-10 6:25 ` Peter Zijlstra
2006-05-09 20:44 ` [RFC][PATCH 3/3] optimize follow_pages() Peter Zijlstra
2006-05-10 6:30 ` Peter Zijlstra
2006-05-08 19:24 ` [RFC][PATCH 2/2] throttle writers of shared mappings Peter Zijlstra
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