Messages in this thread | | | Subject | Re: [PATCH v1] mm: Enable suspend-only swap spaces | From | David Hildenbrand <> | Date | Mon, 5 Jul 2021 09:44:30 +0200 |
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On 30.06.21 19:07, Evan Green wrote: > Currently it's not possible to enable hibernation without also enabling > generic swap for a given swap area. These two use cases are not the > same. For example there may be users who want to enable hibernation, > but whose drives don't have the write endurance for generic swap > activities. > > Add a new SWAP_FLAG_NOSWAP that adds a swap region but refuses to allow > generic swapping to it. This region can still be wired up for use in > suspend-to-disk activities, but will never have regular pages swapped to > it.
Just to confirm: things like /proc/meminfo won't show this "swap that's not actually swap" as free/total swap, correct? Maybe it's worth spelling the expected system behavior out here.
-- Thanks,
David / dhildenb
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