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From: David Vrabel <david.vrabel@citrix.com>
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
Date: Fri, 28 Aug 2015 11:43:25 +0100	[thread overview]
Message-ID: <55E03B4D.4040401@citrix.com> (raw)
In-Reply-To: <1440003154-4520-1-git-send-email-jgross@suse.com>

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

      reply	other threads:[~2015-08-28 10:43 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-19 16:52 [PATCH] xen: avoid early crash of memory limited dom0 Juergen Gross
2015-08-28 10:43 ` David Vrabel [this message]

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