| Date | Wed, 6 Jan 2021 17:12:36 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH 1/6] mm: migrate: do not migrate HugeTLB page whose refcount is one |
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On Wed 06-01-21 17:11:39, Michal Hocko wrote: > On Mon 04-01-21 14:58:38, Muchun Song wrote: > > If the refcount is one when it is migrated, it means that the page > > was freed from under us. So we are done and do not need to migrate. > > Is this common enough that it would warrant the explicit check for each > migration?
Ups, just noticed that you have posted a newer version. I will follow up there.
-- Michal Hocko SUSE Labs
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