Messages in this thread | | | From | Qian Cai <> | Subject | Re: [PATCH -next v2] mm/hotplug: silence a lockdep splat with printk() | Date | Wed, 15 Jan 2020 07:35:45 -0500 |
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> On Jan 15, 2020, at 4:22 AM, Michal Hocko <mhocko@kernel.org> wrote: > > Is this correct? CMA pages cannot be comound?
I never saw a CMA page also a compound page. Also, in alloc_contig_range(), it calls migrate_pages()—> unmap_and_move_huge_page() which will free the old huge page, so I think that will clear pageCompound.
Cc Mike in case I miss anything.
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