On Thu, Jul 30, 2015 at 06:03:10PM +0100, David Vrabel wrote: > alloc_xenballooned_pages() is used to get ballooned pages to back > foreign mappings etc. Instead of having to balloon out real pages, > use (if supported) hotplugged memory. > > This makes more memory available to the guest and reduces > fragmentation in the p2m. > > This is only enabled if the xen.balloon.hotplug_unpopulated sysctl is > set to 1. This sysctl defaults to 0 in case the udev rules to > automatically online hotplugged memory do not exist. > > Signed-off-by: David Vrabel <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]> Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
