Messages in this thread | | | Date | Tue, 11 Apr 2017 10:41:42 +0200 | From | Michal Hocko <> | Subject | Re: [PATCH -v2 0/9] mm: make movable onlining suck less |
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On Tue 11-04-17 10:01:52, Igor Mammedov wrote: > On Mon, 10 Apr 2017 16:56:39 +0200 > Michal Hocko <mhocko@kernel.org> 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
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