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Date: Fri, 6 Apr 2012 17:01:18 -0400 From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> To: Jan Beulich <JBeulich@...e.com> Cc: David Vrabel <david.vrabel@...rix.com>, xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org Subject: Re: [Xen-devel] [PATCH 6/7] xen/setup: Make dom0_mem=XGB behavior be similar to classic Xen kernels. On Tue, Apr 03, 2012 at 10:46:41AM +0100, Jan Beulich wrote: > >>> On 03.04.12 at 10:58, David Vrabel <david.vrabel@...rix.com> wrote: > > With your new behaviour it will no longer possible to specify an > > unlimited balloon but a limited number of initial pages. This is > > behaviour that Jan said he used. > > An unlimited balloon was never possible afaict (as that would have > implied setting up an "infinite" number of struct page instances at > boot time. > > What I'm using is "dom0_mem=-<num>M" together with the kernel > option "mem=<num>G", such that max-balloon > initial alloc (usually > I set max-balloon to approximately the amount of memory in the > system, so the upper limit is "infinite" in the sense that I can't go > higher anyway, but it's not truly infinity). Couldn't you do the same thing with 'dom0_mem=X,max:Y' > > Jan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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