Race condition in build_all_zonelists() when offlining movable zone

[Patrick Daly]

On Wed, Aug 17, 2022 at 12:26:47PM +0100, Mel Gorman wrote:
> Patrick, as you have a hotplug test that removes a full zone, would you
> like to test? I haven't boot tested it on v5.15 but it applies cleanly
> and compiles at least.
> 

Hi Mel/Michal

Thanks for the patch. I did not see any re-occurance of the original issue,
or any stability issues linked to the new code.

--Patrick