Re: [PATCH v11 0/6] Use pageblock_order for cma and alloc_contig_range alignment.

[Qian Cai]

On Tue, Apr 26, 2022 at 05:38:58PM -0400, Zi Yan wrote:
> Thanks. Do you mind attaching your config file? I cannot reproduce
> the deadlock locally using my own config. I also see kmemleak_scan
> in the dumped stack, so it must be something else in addition to
> memory online/offline causing the issue.

Actually, it is one of those *offline* operations, i.e.,

echo 0 > /sys/devices/system/memory/memoryNNN/online

looping forever which never finish after more than 2-hour.