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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Ian Campbell <Ian.Campbell@eu.citrix.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>,
	"Xen-devel@lists.xensource.com" <Xen-devel@lists.xensource.com>,
	Konrad Wilk <konrad.wilk@oracle.com>,
	Daniel Kiper <dkiper@net-space.pl>,
	Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Subject: Re: RE: Ballooning up
Date: Wed, 15 Sep 2010 10:29:15 -0700	[thread overview]
Message-ID: <4C91026B.8020909@goop.org> (raw)
In-Reply-To: <1284534649.15518.205.camel@localhost.localdomain>

 On 09/15/2010 12:10 AM, Ian Campbell wrote:
>> Indeed.  I think adding general 32x limit between base and max size will
>> prevent a completely unusable system, and then just suggest using mem=
>> to control that more precisely (esp for dom0).
> Sounds reasonable.

I found 32x doesn't work; there seems to be a lot more per-page overhead
than I expected.  I made the limit 10x, which I determined empirically
and somewhat arbitrarily, but it does seem reasonable.

    J

  reply	other threads:[~2010-09-15 17:29 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-07  8:36 Ballooning up Jeremy Fitzhardinge
     [not found] ` <54eebb3a-f539-43be-8134-a969a4f671c4@default4C8EAB0E.7040407@goop.org>
2010-09-07 10:14 ` Ian Campbell
2010-09-07 13:26   ` Jeremy Fitzhardinge
2010-09-07 14:10     ` Ian Campbell
2010-09-15 21:47     ` Dan Magenheimer
2010-09-15 22:41       ` Jeremy Fitzhardinge
2010-09-13 21:17 ` Dan Magenheimer
2010-09-13 21:39   ` Dan Magenheimer
2010-09-13 23:06     ` Jeremy Fitzhardinge
2010-09-13 22:51   ` Jeremy Fitzhardinge
2010-09-14  0:22     ` Dan Magenheimer
2010-09-14  0:46       ` Jeremy Fitzhardinge
2010-09-14 15:06         ` Dan Magenheimer
2010-09-14 22:05           ` Jeremy Fitzhardinge
2010-09-15  7:13             ` Ian Campbell
2010-09-14  8:41     ` Jan Beulich
2010-09-14 16:35       ` Jeremy Fitzhardinge
2010-09-14  9:07     ` Ian Campbell
2010-09-14 16:42       ` Jeremy Fitzhardinge
2010-09-15  7:10         ` Ian Campbell
2010-09-15 17:29           ` Jeremy Fitzhardinge [this message]
2010-09-15 18:06             ` Dan Magenheimer
2010-09-15 20:29               ` Jeremy Fitzhardinge
2010-09-14  8:34   ` Ian Campbell

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