On Wed 24-03-21 13:03:29, Michal Hocko wrote: > On Wed 24-03-21 11:12:59, Oscar Salvador wrote: [...] an additional remark > > - online_pages()->move_pfn_range_to_zone(): Accounts for node/zone's spanned pages > > - online_pages()->zone->present_pages += nr_pages; I am pretty sure you shouldn't account vmmemmap pages to the target zone in some cases - e.g. vmemmap cannot be part of the movable zone, can it? So this would be yet another special casing. This patch has got it wrong unless I have missed some special casing. -- Michal Hocko SUSE Labs
