Unless I am missing something, this is not based on the Maple tree rewrite, right? Does the change in the data structure makes any difference to the approach? I remember discussions at LSFMM where it has been pointed out that some issues with the vma tree are considerably simpler to handle with the maple tree. On Thu 01-09-22 10:34:48, Suren Baghdasaryan wrote: [...] > One notable way the implementation deviates from the proposal is the way > VMAs are marked as locked. Because during some of mm updates multiple > VMAs need to be locked until the end of the update (e.g. vma_merge, > split_vma, etc). I think it would be really helpful to spell out those issues in a greater detail. Not everybody is aware of those vma related subtleties. Thanks for working on this Suren! -- Michal Hocko SUSE Labs
