Re: [Xen-devel] [PATCH] xen: limit memory to architectural maximum

From: David Vrabel
Date: Fri Sep 04 2015 - 11:51:04 EST

On 04/09/15 13:18, Juergen Gross wrote:
> When a pv-domain (including dom0) is started it tries to size it's
> p2m list according to the maximum possible memory amount it ever can
> achieve. Limit the initial maximum memory size to the architectural
> limit of the hardware in order to avoid overflows during remapping
> of memory.
> This problem will occur when dom0 is started with an initial memory
> size being a multiple of 1GB, but without specifying it's maximum
> memory size. The kernel must be configured without
> CONFIG_XEN_BALLOON_MEMORY_HOTPLUG for the problem to happen.

Applied to for-linus-4.3, thanks.

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