[PULL] dmem cgroup
Simona Vetter
simona.vetter at ffwll.ch
Wed Feb 19 13:24:03 UTC 2025
On Mon, Jan 06, 2025 at 05:49:19PM +0100, Maxime Ripard wrote:
> Hi,
>
> Here's a drm-next PR for the new "dmem" cgroup Maarten and I worked on.
> Given that it's only user for now is DRM, Tejun agreed to merge it
> through DRM.
>
> This is based on the series sent by Maarten here:
> https://lore.kernel.org/all/20241204134410.1161769-1-dev@lankhorst.se/
>
> The three last patches are not part of it, for different reasons:
>
> - patch 5: we haven't had the acks from the amdgpu maintainers
> - patch 6: I didn't feel comfortable merging a patch defined as a "hack"
> - patch 7: it's not clear yet how GEM is going to be supported, so we
> need to have further discussion on this one.
Already discussed on irc, but I guess time to add a MAINTAINERS entry for
dmem so dri-devel gets cc'ed and we just managed it through drm-misc?
Tejun and cgroups folks overall will still get cc'ed, but it sounds like
this is the approach Tejun prefers?
Cheers, Sima
>
> Thanks!
> Maxime
>
> The following changes since commit 9d89551994a430b50c4fffcb1e617a057fa76e20:
>
> Linux 6.13-rc6 (2025-01-05 14:13:40 -0800)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git cgroup-dmem-drm
>
> for you to fetch changes up to aa4f9d7f77836d5a48daaa99479c2603e9a548ed:
>
> drm/xe: Implement cgroup for vram (2025-01-06 17:25:36 +0100)
>
> ----------------------------------------------------------------
> Maarten Lankhorst (3):
> kernel/cgroup: Add "dmem" memory accounting cgroup
> drm/ttm: Handle cgroup based eviction in TTM
> drm/xe: Implement cgroup for vram
>
> Maxime Ripard (1):
> drm/drv: Add drmm managed registration helper for dmem cgroups.
>
> Documentation/admin-guide/cgroup-v2.rst | 58 +-
> Documentation/core-api/cgroup.rst | 9 +
> Documentation/core-api/index.rst | 1 +
> Documentation/gpu/drm-compute.rst | 54 ++
> drivers/gpu/drm/drm_drv.c | 32 +
> drivers/gpu/drm/ttm/tests/ttm_bo_test.c | 18 +-
> drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c | 4 +-
> drivers/gpu/drm/ttm/tests/ttm_resource_test.c | 2 +-
> drivers/gpu/drm/ttm/ttm_bo.c | 54 +-
> drivers/gpu/drm/ttm/ttm_resource.c | 23 +-
> drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | 8 +
> include/drm/drm_drv.h | 5 +
> include/drm/ttm/ttm_resource.h | 12 +-
> include/linux/cgroup_dmem.h | 66 ++
> include/linux/cgroup_subsys.h | 4 +
> include/linux/page_counter.h | 2 +-
> init/Kconfig | 10 +
> kernel/cgroup/Makefile | 1 +
> kernel/cgroup/dmem.c | 861 +++++++++++++++++++++++
> mm/page_counter.c | 4 +-
> 20 files changed, 1195 insertions(+), 33 deletions(-)
> create mode 100644 Documentation/core-api/cgroup.rst
> create mode 100644 Documentation/gpu/drm-compute.rst
> create mode 100644 include/linux/cgroup_dmem.h
> create mode 100644 kernel/cgroup/dmem.c
--
Simona Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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