> What's your suggestions? a new zone or a new migratetype? > Maybe add a new zone will change more mm code.
I don't understand this code well enough (yet) to make a recommendation. I think our primary concern may not be "how much code we change", but more "how can we minimize the run-time impact on systems that don't have any mirrored memory. Just putting all the heavy work behind a CONFIG option isn't sufficient ... we want enterprise distributions to ship with the option turned on ... even though most machines won't be using this feature. -Tony -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
