Re: [mm/page_alloc] 44042b4498: WARNING:possible_recursive_locking_detected

[Mel Gorman]

On Tue, Jul 27, 2021 at 10:31:36PM +0800, kernel test robot wrote:
> 
> 
> Greeting,
> 
> FYI, we noticed the following commit (built with gcc-9):
> 
> commit: 44042b4498728f4376e84bae1ac8016d146d850b ("mm/page_alloc: allow high-order pages to be stored on the per-cpu lists")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> 

Does this warning happen after 187ad460b841 ("mm/page_alloc: avoid page
allocator recursion with pagesets.lock held")? I ask because I see the
stack_depot_save in the warning.

-- 
Mel Gorman
SUSE Labs