Hello Michal, Thanks for your response and for the link. I'm gonna play around with that patchset. Thanks, Mikhail Zaslonko On 30.10.2018 14:44, Michal Hocko wrote: > [Sorry for late response] > > On Fri 12-10-18 10:15:26, Zaslonko Mikhail wrote: >> Hello Michal, >> >> I've read a recent discussion about introducing the memory types for memory >> hotplug: >> https://marc.info/?t=153814716600004&r=1&w=2 >> >> In particular I was interested in the idea of moving vmem struct pages to >> the hotplugable memory itself. I'm also looking into it for s390 right now. >> So, in one of your replies you mentioned that you "have proposed (but >> haven't finished this due to other stuff) a solution for this". Have you >> covered any part of that solution yet? Could you please point me to any >> relevant discussions on this matter? > > the patchset has been posted here [1]. I didn't get around to fix the > hotremove case when you have to be extra carefule to not remove pfn > range that backs struct pages still in use. I didn't have problems for > small systems but 2GB memblocks just crashed. > > [1] http://lkml.kernel.org/r/20170801124111.28881-1-mhocko@xxxxxxxxxx >
