On Mon 09-01-23 12:53:34, Suren Baghdasaryan wrote: > call_rcu() can take a long time when callback offloading is enabled. > Its use in the vm_area_free can cause regressions in the exit path when > multiple VMAs are being freed. What kind of regressions. > To minimize that impact, place VMAs into > a list and free them in groups using one call_rcu() call per group. Please add some data to justify this additional complexity. -- Michal Hocko SUSE Labs
