From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Memory allocation going seriously wonky on 4.1.1
Date: Mon, 3 Oct 2011 15:04:27 -0400
Message-ID: <20111003190427.GE15608@phenom.oracle.com>
References: <4E85DB1A.5060606@overnetdata.com>
	<20111001120706.GZ12984@reaktio.net>
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> > Stage 1
> > Everything is fine, Dom0 has 2000MB according to xl list, and 'xl info'
> > says there is 2405MB free.
> > 
> 
> - How much memory did dom0 initially have? 
> - Did you use mem= parameter for dom0 kernel (vmlinuz) ?
> 
> See: http://wiki.xen.org/xenwiki/Linux_30_bugs

..especially the one titled: " dom0_mem=max:XG is ignored".

Those two patches mentioned are going to show up in 3.0.5.
In the meantime, use the work-around.