dma buffer sharing framework · Maintained

Maintainers

• M Sumit Semwal <sumit.semwal@linaro.org>
• M Christian König <christian.koenig@amd.com>

Paths

• F Documentation/driver-api/dma-buf.rst
• F Documentation/userspace-api/dma-buf-alloc-exchange.rst
• F drivers/dma-buf/
• F include/linux/*fence.h
• F include/linux/dma-buf.h
• F include/linux/dma-buf/
• F include/linux/dma-resv.h
• F rust/helpers/dma-resv.c

Last 30 days

Recent patches

Most-recent 10 patches in this subsystem on linux-security-module, ordered by date desc.

• COLD15d [PATCH RFC 3/5] security: dma-heap: Add dma_heap_alloc LSM hook
  2026-05-12 · Albert Esteve <hidden>
• COLD15d [PATCH RFC 2/5] dma-heap: charge dma-buf memory via explicit memcg
  2026-05-12 · Albert Esteve <hidden>
• COLD15d [PATCH RFC 1/5] memcg: Track exported dma-buffers
  2026-05-12 · Albert Esteve <hidden>
• STALE79d [PATCH v3 12/12] treewide: change inode->i_ino from unsigned long to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org>
• STALE91d [PATCH v2 107/110] dma-buf: replace PRIino with %llu/%llx format strings
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE91d [PATCH v2 054/110] dma-buf: use PRIino format for i_ino
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE96d [PATCH 56/61] dma-buf: update format string for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE1216d [PATCH v2 2/4] dmabuf: Add cgroup charge transfer function
  2023-01-23 · "T.J. Mercier" <tjmercier@google.com>
• STALE1216d [PATCH v2 1/4] memcg: Track exported dma-buffers
  2023-01-23 · "T.J. Mercier" <tjmercier@google.com>
• STALE2522d [PATCH 04/10] Make anon_inodes unconditional
  2019-02-19 · David Howells <dhowells@redhat.com>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE96d [PATCH 56/61] dma-buf: update format string for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE91d [PATCH v2 054/110] dma-buf: use PRIino format for i_ino
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE91d [PATCH v2 107/110] dma-buf: replace PRIino with %llu/%llx format strings
  2026-03-02 · Jeff Layton <jlayton@kernel.org>