Messages in this thread | | | From | "Huang\, Ying" <> | Subject | Re: [PATCH] mm, trivial: Simplify swap related code in try_to_unmap_one() | Date | Wed, 01 Apr 2020 16:48:27 +0800 |
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Michal Hocko <mhocko@kernel.org> writes:
> On Wed 01-04-20 09:11:13, Huang, Ying wrote: > [...] >> Then what is the check !PageSwapBacked() && PageSwapCache() for? To >> prevent someone to change the definition of PageSwapCache() in the >> future to break this? > > Yes this is my understading. It is essentially an assert that enforces > the assumption about swap cache vs. swap backed being coupled.
OK. Then we can just keep the current code.
Best Regards, Huang, Ying
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