2 Feb
2021
2 Feb
'21
2:22 p.m.
On Tue 02-02-21 15:12:21, David Hildenbrand wrote: [...]
I think secretmem behaves much more like longterm GUP right now ("unmigratable", "lifetime controlled by user space", "cannot go on CMA/ZONE_MOVABLE"). I'd either want to reasonably well control/limit it or make it behave more like mlocked pages.
I thought I have already asked but I must have forgotten. Is there any actual reason why the memory is not movable? Timing attacks?
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Michal Hocko
SUSE Labs