On Mon 21-03-22 23:40:39, Zach O'Keefe wrote: [...] > In preparation of a V1 PATCH series which will incorporate the > feedback received here, one item I'd specifically like feedback from > the community on is whether support for privately-mapped anonymous > memory is sufficient to motivate an initial landing of MADV_COLLAPSE, > with file-backed support coming later. Yes I think this should be sufficient for the initial implementation. > I have local patches to support > file-backed memory, but my thought was to keep the series no longer > than necessary, for the consideration of reviewers. Agreed! I think we should focus on the semantic of the anonymous memory first. -- Michal Hocko SUSE Labs