On Tue 11-04-17 10:01:52, Igor Mammedov wrote: > On Mon, 10 Apr 2017 16:56:39 +0200 > Michal Hocko <mhocko@xxxxxxxxxx> wrote: [...] > > > #echo online_kernel > memory32/state > > > write error: Invalid argument > > > // that's not what's expected > > > > this is proper behavior with the current implementation. Does anything > > depend on the zone reusing? > if we didn't have zone imbalance issue in design, > the it wouldn't matter but as it stands it's not > minore issue. > > Consider following, > one hotplugs some memory and onlines it as movable, > then one needs to hotplug some more but to do so > one one needs more memory from zone NORMAL and to keep > zone balance some memory in MOVABLE should be reonlined > as NORMAL Is this something that we absolutely have to have right _now_? Or are you OK if I address this in follow up series? Because it will make the current code slightly more complex and to be honest I would rather like to see this "core" merge and build more on top. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>