From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Christoph Lameter <clameter@sgi.com>,
Hugh Dickins <hugh@veritas.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@osdl.org>,
David Howells <dhowells@redhat.com>,
Christoph Lameter <christoph@lameter.com>,
Martin Bligh <mbligh@google.com>, Nick Piggin <npiggin@suse.de>,
riel <riel@redhat.com>
Subject: Re: [PATCH] mm: tracking shared dirty pages -v10
Date: Fri, 23 Jun 2006 20:03:49 +0200 [thread overview]
Message-ID: <1151085829.30819.33.camel@lappy> (raw)
In-Reply-To: <Pine.LNX.4.64.0606231055520.6483@g5.osdl.org>
On Fri, 2006-06-23 at 10:56 -0700, Linus Torvalds wrote:
>
> On Fri, 23 Jun 2006, Peter Zijlstra wrote:
> >
> > I intent to make swap over NFS work next.
>
> Doesn't it work already? Is there some throttling that doesn't work?
I do not know how 'bad' the situation is now that we have the dirty page
tracking stuff, still need to create a test environment.
But the general idea is that its broken because the ACK from writeout
can be delayed and the remaining free memory taken by other incomming
network packets.
Until I have a test setup and some reproducable deadlocks I cannot say
more I'm afraid.
Peter
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Christoph Lameter <clameter@sgi.com>,
Hugh Dickins <hugh@veritas.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@osdl.org>,
David Howells <dhowells@redhat.com>,
Christoph Lameter <christoph@lameter.com>,
Martin Bligh <mbligh@google.com>, Nick Piggin <npiggin@suse.de>,
riel <riel@redhat.com>
Subject: Re: [PATCH] mm: tracking shared dirty pages -v10
Date: Fri, 23 Jun 2006 20:03:49 +0200 [thread overview]
Message-ID: <1151085829.30819.33.camel@lappy> (raw)
In-Reply-To: <Pine.LNX.4.64.0606231055520.6483@g5.osdl.org>
On Fri, 2006-06-23 at 10:56 -0700, Linus Torvalds wrote:
>
> On Fri, 23 Jun 2006, Peter Zijlstra wrote:
> >
> > I intent to make swap over NFS work next.
>
> Doesn't it work already? Is there some throttling that doesn't work?
I do not know how 'bad' the situation is now that we have the dirty page
tracking stuff, still need to create a test environment.
But the general idea is that its broken because the ACK from writeout
can be delayed and the remaining free memory taken by other incomming
network packets.
Until I have a test setup and some reproducable deadlocks I cannot say
more I'm afraid.
Peter
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next prev parent reply other threads:[~2006-06-23 18:03 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-19 17:52 [PATCH 0/6] mm: tracking dirty pages -v9 Peter Zijlstra
2006-06-19 17:52 ` Peter Zijlstra
2006-06-19 17:52 ` [PATCH 1/6] mm: tracking shared dirty pages Peter Zijlstra
2006-06-19 17:52 ` Peter Zijlstra
2006-06-22 5:56 ` Andrew Morton
2006-06-22 5:56 ` Andrew Morton
2006-06-22 6:07 ` Christoph Lameter
2006-06-22 6:07 ` Christoph Lameter
2006-06-22 6:15 ` Andrew Morton
2006-06-22 6:15 ` Andrew Morton
2006-06-22 11:33 ` Peter Zijlstra
2006-06-22 11:33 ` Peter Zijlstra
2006-06-22 13:17 ` Hugh Dickins
2006-06-22 13:17 ` Hugh Dickins
2006-06-22 20:52 ` Hugh Dickins
2006-06-22 20:52 ` Hugh Dickins
2006-06-22 23:02 ` Peter Zijlstra
2006-06-22 23:02 ` Peter Zijlstra
2006-06-22 23:39 ` [PATCH] mm: tracking shared dirty pages -v10 Peter Zijlstra
2006-06-22 23:39 ` Peter Zijlstra
2006-06-23 3:10 ` Jeff Dike
2006-06-23 3:10 ` Jeff Dike
2006-06-23 3:31 ` Andrew Morton
2006-06-23 3:31 ` Andrew Morton
2006-06-23 3:50 ` Jeff Dike
2006-06-23 3:50 ` Jeff Dike
2006-06-23 4:01 ` H. Peter Anvin
2006-06-23 4:01 ` H. Peter Anvin
2006-06-23 15:08 ` Jeff Dike
2006-06-23 15:08 ` Jeff Dike
2006-06-23 6:08 ` Linus Torvalds
2006-06-23 6:08 ` Linus Torvalds
2006-06-23 7:27 ` Hugh Dickins
2006-06-23 7:27 ` Hugh Dickins
2006-06-23 17:00 ` Christoph Lameter
2006-06-23 17:00 ` Christoph Lameter
2006-06-23 17:22 ` Peter Zijlstra
2006-06-23 17:22 ` Peter Zijlstra
2006-06-23 17:52 ` Christoph Lameter
2006-06-23 17:52 ` Christoph Lameter
2006-06-23 18:11 ` Martin Bligh
2006-06-23 18:11 ` Martin Bligh
2006-06-23 18:20 ` Linus Torvalds
2006-06-23 18:20 ` Linus Torvalds
2006-06-23 17:56 ` Linus Torvalds
2006-06-23 17:56 ` Linus Torvalds
2006-06-23 18:03 ` Peter Zijlstra [this message]
2006-06-23 18:03 ` Peter Zijlstra
2006-06-23 18:23 ` Christoph Lameter
2006-06-23 18:23 ` Christoph Lameter
2006-06-23 18:41 ` Christoph Hellwig
2006-06-23 18:41 ` Christoph Hellwig
2006-06-23 17:49 ` Linus Torvalds
2006-06-23 17:49 ` Linus Torvalds
2006-06-23 18:05 ` Arjan van de Ven
2006-06-23 18:05 ` Arjan van de Ven
2006-06-23 18:08 ` Miklos Szeredi
2006-06-23 18:08 ` Miklos Szeredi
2006-06-23 19:06 ` Hugh Dickins
2006-06-23 19:06 ` Hugh Dickins
2006-06-23 22:00 ` Peter Zijlstra
2006-06-23 22:00 ` Peter Zijlstra
2006-06-23 22:35 ` Linus Torvalds
2006-06-23 22:35 ` Linus Torvalds
2006-06-23 22:44 ` Peter Zijlstra
2006-06-23 22:44 ` Peter Zijlstra
2006-06-28 14:58 ` [RFC][PATCH] mm: fixup do_wp_page() Peter Zijlstra
2006-06-28 14:58 ` Peter Zijlstra
2006-06-28 18:20 ` Hugh Dickins
2006-06-28 18:20 ` Hugh Dickins
2006-06-19 17:53 ` [PATCH 2/6] mm: balance dirty pages Peter Zijlstra
2006-06-19 17:53 ` Peter Zijlstra
2006-06-19 17:53 ` [PATCH 3/6] mm: msync() cleanup Peter Zijlstra
2006-06-19 17:53 ` Peter Zijlstra
2006-06-22 17:02 ` Hugh Dickins
2006-06-22 17:02 ` Hugh Dickins
2006-06-19 17:53 ` [PATCH 4/6] mm: optimize the new mprotect() code a bit Peter Zijlstra
2006-06-19 17:53 ` Peter Zijlstra
2006-06-22 17:21 ` Hugh Dickins
2006-06-22 17:21 ` Hugh Dickins
2006-06-19 17:53 ` [PATCH 5/6] mm: small cleanup of install_page() Peter Zijlstra
2006-06-19 17:53 ` Peter Zijlstra
2006-06-19 17:53 ` [PATCH 6/6] mm: remove some update_mmu_cache() calls Peter Zijlstra
2006-06-19 17:53 ` Peter Zijlstra
2006-06-22 16:29 ` Hugh Dickins
2006-06-22 16:29 ` Hugh Dickins
2006-06-22 16:37 ` Christoph Lameter
2006-06-22 16:37 ` Christoph Lameter
2006-06-22 17:35 ` Hugh Dickins
2006-06-22 17:35 ` Hugh Dickins
2006-06-22 18:31 ` Christoph Lameter
2006-06-22 18:31 ` Christoph Lameter
-- strict thread matches above, loose matches on Subject: below --
2006-06-23 18:27 [PATCH] mm: tracking shared dirty pages -v10 Brian D. McGrew
2006-06-23 18:27 ` Brian D. McGrew
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