On Tue 26-11-19 10:30:56, Qian Cai wrote: > > > > On Nov 25, 2019, at 3:39 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote: > > > > People do care about ZONE_MOVABLE and if there is a non-movable memory > > sitting there then it is a bug. Please report that. > > It is trivial to test yourself if you ever care. Just pass kernelcore= > to as many NUMA machines you could find, an then test if ever possible > to offline those memory. I definitely do care if you can provide more details (ideally in a separate email thread). I am using movable memory for memory hotplug usecases and so far I do not remember any kernel/non-movable allocations would make it in - modulo bugs when somebody might use __GFP_MOVABLE when it is not appropriate. -- Michal Hocko SUSE Labs
