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Date: Fri, 28 Aug 2015 11:43:25 +0100
From: David Vrabel <david.vrabel@citrix.com>
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To: Juergen Gross <jgross@suse.com>, <linux-kernel@vger.kernel.org>,
        <xen-devel@lists.xensource.com>, <konrad.wilk@oracle.com>,
        <david.vrabel@citrix.com>, <boris.ostrovsky@oracle.com>
Subject: Re: [Xen-devel] [PATCH] xen: avoid early crash of memory limited
 dom0
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On 19/08/15 17:52, Juergen Gross wrote:
> Commit b1c9f169047b ("xen: split counting of extra memory pages...")
> introduced an error when dom0 was started with limited memory.
> 
> The problem arises in case dom0 is started with initial memory and
> maximum memory being the same and exactly a multiple of 1 GB. The
> kernel must be configured without CONFIG_XEN_BALLOON_MEMORY_HOTPLUG
> for the problem to happen. In this case it will crash very early
> during boot due to the virtual mapped p2m list not being large
> enough to be able to remap any memory:

Applied to for-linus-4.3, thanks.

David