On Tue 20-04-21 09:02:57, Peter.Enderborg@xxxxxxxx wrote: > > >> But that isn't really system memory at all, it's just allocated device > >> memory. > > OK, that was not really clear to me. So this is not really accounted to > > MemTotal? If that is really the case then reporting it into the oom > > report is completely pointless and I am not even sure /proc/meminfo is > > the right interface either. It would just add more confusion I am > > afraid. > > > > Why is it confusing? Documentation is quite clear: Because a single counter without a wider context cannot be put into any reasonable context. There is no notion of the total amount of device memory usable for dma-buf. As Christian explained some of it can be RAM based. So a single number is rather pointless on its own in many cases. Or let me just ask. What can you tell from dma-bud: $FOO kB in its current form? -- Michal Hocko SUSE Labs