From: Avi Kivity <avi@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Dmitry Torokhov <dtor@vmware.com>,
linux-kernel@vger.kernel.org, pv-drivers@vmware.com,
Dan Magenheimer <dan.magenheimer@oracle.com>
Subject: Re: [PATCH] VMware Balloon driver
Date: Tue, 06 Apr 2010 19:30:39 +0300 [thread overview]
Message-ID: <4BBB61AF.6000608@redhat.com> (raw)
In-Reply-To: <20100405163458.135fa319.akpm@linux-foundation.org>
On 04/06/2010 02:34 AM, Andrew Morton wrote:
> On Mon, 05 Apr 2010 16:28:38 -0700
> Jeremy Fitzhardinge<jeremy@goop.org> wrote:
>
>
>> And is there some way to get the vm subsystem to provide backpressure:
>> "I'm getting desperately short of memory!"?
>>
> Not really. One could presumably pull dopey tricks by hooking into
> slab shrinker registration or even ->writepage(). But cooking up
> something explicit doesn't sound too hard - the trickiest bit would be
> actually defining what it should do.
>
The oft-suggested approach is to look at the I/O load from guests and
give more memory to those that are thrashing. Of course not all I/O is
directly due to memory pressure.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-04-06 17:03 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-04 21:52 [PATCH] VMware Balloon driver Dmitry Torokhov
2010-04-05 21:24 ` Andrew Morton
2010-04-05 22:03 ` Jeremy Fitzhardinge
2010-04-05 22:17 ` Andrew Morton
2010-04-05 22:26 ` Avi Kivity
2010-04-05 22:40 ` Andrew Morton
2010-04-05 23:01 ` Dmitry Torokhov
2010-04-05 23:03 ` Dan Magenheimer
2010-04-05 23:11 ` Andrew Morton
2010-04-05 23:28 ` Dmitry Torokhov
2010-04-06 16:28 ` Avi Kivity
2010-04-05 23:28 ` Jeremy Fitzhardinge
2010-04-05 23:34 ` Andrew Morton
2010-04-06 0:26 ` Dan Magenheimer
2010-04-06 16:30 ` Avi Kivity [this message]
2010-04-06 17:27 ` Dan Magenheimer
2010-04-06 23:20 ` Dave Hansen
2010-04-05 22:58 ` Dmitry Torokhov
2010-04-06 16:32 ` Avi Kivity
2010-04-06 17:06 ` Dmitry Torokhov
2010-04-06 17:42 ` Avi Kivity
2010-04-06 18:25 ` Jeremy Fitzhardinge
2010-04-06 18:36 ` Avi Kivity
2010-04-06 19:18 ` Jeremy Fitzhardinge
2010-04-08 5:30 ` Pavel Machek
2010-04-08 7:18 ` Avi Kivity
2010-04-08 17:01 ` Jeremy Fitzhardinge
2010-04-15 21:00 ` [PATCH v2] " Dmitry Torokhov
2010-04-21 19:59 ` Dmitry Torokhov
2010-04-21 20:18 ` Andrew Morton
2010-04-21 20:52 ` Dmitry Torokhov
2010-04-21 21:13 ` Andrew Morton
2010-04-22 0:09 ` Dmitry Torokhov
2010-04-21 23:54 ` Andrew Morton
2010-04-22 0:00 ` Dmitry Torokhov
2010-04-22 1:02 ` [Pv-drivers] " Dmitry Torokhov
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