On Wed 09-01-19 16:12:48, Arun KS wrote: [...] > It will be called once per online of a section and the arg value is always > set to 0 while entering online_pages_range. You rare right that this will be the case in the most simple scenario. But the point is that the callback can be called several times from walk_system_ram_range and then your current code wouldn't work properly. -- Michal Hocko SUSE Labs
