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SubjectRe: [PATCH] mm/page_alloc: avoid hard lockups in __alloc_pages_bulk()
On Sat, 10 Jul 2021 19:29:29 +0800 qiang.zhang@windriver.com wrote:

> From: Zqiang <qiang.zhang@windriver.com>
>
> The __alloc_pages_bulk() mainly used for batch allocation of
> order-0 pages, in the case of holding pagesets.lock, if too
> many pages are required, maybe trigger hard lockup watchdog.

Ouch. Has this been observed in testing? If so, can you please share
the kernel debug output from that event?

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