On Tue 20-04-21 20:58:56, Alexey Dobriyan wrote: > On Tue, Apr 20, 2021 at 03:57:07PM +0200, Michal Hocko wrote: > > On Tue 20-04-21 14:24:30, Matthew Wilcox wrote: > > > On Tue, Apr 20, 2021 at 03:13:54PM +0300, Mike Rapoport wrote: > > > > Add a paragraph that explains that it may happen that the counters in > > > > /proc/meminfo do not add up to the overall memory usage. > > > > > > ... that is, the sum may be lower because memory is allocated for other > > > purposes that is not reported here, right? > > > > yes. Many direct page allocator users are not accounted in any of the > > existing counters. > > Does virtio_balloon dereserve special mention? Yes > From inside VM memory borrowing looks like one giant memory leak resulting > in support tickets (not that people who file them read internal kernel > documentation...) Even if people do not read that documentation it is really good to have a reference you can send when you are dealing with bug reports. Thanks! -- Michal Hocko SUSE Labs
