Messages in this thread | | | Date | Wed, 1 Apr 2020 10:31:45 +0200 | From | Michal Hocko <> | Subject | Re: [PATCH] mm, trivial: Simplify swap related code in try_to_unmap_one() |
| |
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. -- Michal Hocko SUSE Labs
| |