Fix for XEN starting from 4.11 for perf_opt branch #49
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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 <[email protected]> Signed-off-by: Roger Pau Monné <[email protected]> Reviewed-by: Juergen Gross <[email protected]> Signed-off-by: Boris Ostrovsky <[email protected]>
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lgtm |
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See https://lists.xenproject.org/archives/html/xen-devel/2018-12/msg01344.html for details.