Messages in this thread | | | Date | Fri, 24 Nov 2023 17:30:49 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH v10] mm: vmscan: try to reclaim swapcache pages if no swap space |
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On Thu 23-11-23 14:15:59, Huang, Ying wrote: > Michal Hocko <mhocko@suse.com> writes: [...] > > Yes swapcache pages are indeed more complicated but most of the time > > they just go away as well, no? > > When we swapin a page, we will put it in swapcache too. And the page > can be in that state for long time if there is more than 50% free space > in the swap device.
True, but why is that a problem? If you encounter such a swapped in page on the file LRU then the page should be referened and as such should be activated, no? -- Michal Hocko SUSE Labs
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