Messages in this thread | | | Date | Mon, 4 Apr 2022 11:28:02 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: migrate: use thp_order instead of HPAGE_PMD_ORDER for new page allocation. |
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On Mon, 4 Apr 2022 12:53:25 -0400 Zi Yan <zi.yan@sent.com> wrote:
> From: Zi Yan <ziy@nvidia.com> > > With folios support, it is possible to have other than HPAGE_PMD_ORDER > THPs, in the form of folios, in the system. Use thp_order() to correctly > determine the source page order during migration.
Changelog doesn't describe the end user visible effects of the bug. And it really should, because
> Link: https://lore.kernel.org/linux-mm/20220404132908.GA785673@u2004/
it fixes a kernel crash!
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