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SubjectRe: [mm/page_alloc] 44042b4498: WARNING:possible_recursive_locking_detected
hi Mel Gorman,

On Tue, Jul 27, 2021 at 03:35:38PM +0100, Mel Gorman wrote:
> 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.

from our tests, this warning cannot be reproduced upon 187ad460b841.
Thanks for information!

>
> --
> Mel Gorman
> SUSE Labs

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