Re: [PATCH v7] mm/page_alloc.c: memory_hotplug: free pages as higher order

[Arun KS]

On 2019-01-09 16:27, Michal Hocko wrote:
> 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.

Thanks. Will use +=

Regards,
Arun