On Thu 16-05-19 11:42:29, Oleksandr Natalenko wrote: [...] > * to mark all the eligible VMAs as mergeable, use: > > # echo merge > /proc/<pid>/madvise > > * to unmerge all the VMAs, use: > > # echo unmerge > /proc/<pid>/madvise Please do not open a new thread until a previous one reaches some conclusion. I have outlined some ways to go forward in http://lkml.kernel.org/r/20190515145151.GG16651@xxxxxxxxxxxxxx. I haven't heard any feedback on that, yet you open a 3rd way in a different thread. This will not help to move on with the discussion. Please follow up on that thread. -- Michal Hocko SUSE Labs