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SubjectRe: [PATCH] xen/balloon: fix balloon initialization for PVH Dom0
On 08/08/18 13:46, Roger Pau Monne wrote:
> The current balloon code tries to calculate a delta factor for the
> balloon target when running in HVM mode in order to account for memory
> used by the firmware.
> This workaround for memory accounting doesn't work properly on a PVH
> Dom0, that has a static-max value different from the target value even
> at startup. Note that this is not a problem for DomUs because guests are
> started with a static-max value that matches the amount of RAM in the
> memory map.
> Fix this by forcefully setting target_diff for Dom0, regardless of
> it's mode.
> Reported-by: Gabriel Bercarug <>
> Signed-off-by: Roger Pau Monné <>

Reviewed-by: Juergen Gross <>


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