Capture dmabuf system heap allocations in memcg following prior conversations[1][2]. Disable this behavior by default unless configured by "dma_heap.mem_accounting" module parameter.
[1] https://lore.kernel.org/dri-devel/Z-5GZ3kJDbhgVBPG@phenom.ffwll.local/ [2] https://lore.kernel.org/all/CABdmKX2_UOENujpW0dXe0Z0x+4V3onfGDmHf1DMOXfDha6d...
Changes in v2: - Add a module parameter to enable dma-buf cgroup accounting, disabled by default. - Split system_heap logic in its own commit. - Link to v1: https://lore.kernel.org/lkml/20251211193106.755485-2-echanude@redhat.com/
Signed-off-by: Eric Chanudet echanude@redhat.com --- Eric Chanudet (2): dma-buf: heaps: add parameter to account allocations using cgroup dma-buf: system_heap: account for system heap allocation in memcg
drivers/dma-buf/dma-heap.c | 5 +++++ drivers/dma-buf/heaps/system_heap.c | 9 +++++++-- 2 files changed, 12 insertions(+), 2 deletions(-) --- base-commit: b71e635feefc852405b14620a7fc58c4c80c0f73 change-id: 20260102-dmabuf-heap-system-memcg-c86a381d663a
Best regards,