Hi all, tl;dr: start using list_lru/numa/memcg in GPU driver core and amdgpu driver for now.
This is a complete series of patches, some of which have been sent before and reviewed, but I want to get the complete picture for others, and try to figure out how best to land this. There are 3 pieces to this: 01->02: add support for global gpu stat counters (previously posted, patch 2 is newer) 03->07: port ttm pools to list_lru for numa awareness 08->14: add memcg stats + gpu apis, then port ttm pools to memcg aware list_lru and shrinker 15->17: enable amdgpu to use new functionality. The biggest difference in the memcg code from previously is I discovered what obj cgroups were designed for and I'm reusing the page/objcg intergration that already exists, to avoid reinventing that wheel right now. There are some igt-gpu-tools tests I've written at: https://gitlab.freedesktop.org/airlied/igt-gpu-tools/-/tree/amdgpu-cgroups?ref_type=heads One problem is there are a lot of delayed action, that probably means the testing needs a bit more robustness, but the tests validate all the basic paths. Regards, Dave.
