Messages in this thread | | | Date | Wed, 9 Jan 2019 11:57:54 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH v7] mm/page_alloc.c: memory_hotplug: free pages as higher order |
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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
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