maple tree · Supported

Maintainers

• M Liam R. Howlett <liam@infradead.org>
• R Alice Ryhl <aliceryhl@google.com>
• R Andrew Ballance <andrewjballance@gmail.com>

Paths

• F Documentation/core-api/maple_tree.rst
• F include/linux/maple_tree.h
• F include/trace/events/maple_tree.h
• F lib/maple_tree.c
• F lib/test_maple_tree.c
• F rust/helpers/maple_tree.c
• F rust/kernel/maple_tree.rs
• F tools/testing/radix-tree/maple.c
• F tools/testing/shared/linux/maple_tree.h

Last 30 days

Recent patches

Most-recent 26 patches in this subsystem on rust-for-linux, ordered by date desc.

• COLD39d [PATCH 2/3] rust: maple_tree: Add load_rcu()
  2026-06-05 · Boqun Feng <boqun@kernel.org>
• COLD39d [PATCH 2/3] rust: maple_tree: add load_rcu()
  2026-06-05 · Boqun Feng <boqun@kernel.org>
• DORMANTno replies REVIEWED: 16 (16M) [PATCH v3] rust: maple_tree: implement Send and Sync for MapleTree
  2026-05-11 · Joel Fernandes <joelagnelf@nvidia.com>
• STALE68d [PATCH v2] rust: maple_tree: implement Send and Sync for MapleTree
  2026-05-06 · Joel Fernandes <joelagnelf@nvidia.com>
• STALE68d [PATCH v12 22/22] rust: maple_tree: implement Send and Sync for MapleTree
  2026-04-25 · Joel Fernandes <joelagnelf@nvidia.com>
• STALE82d [PATCH v2] rust: maple_tree: implement Send and Sync for MapleTree
  2026-04-22 · Joel Fernandes <joelagnelf@nvidia.com>
• STALE84d [PATCH RFC] rust: maple_tree: implement Send and Sync for MapleTree
  2026-04-20 · Joel Fernandes <joelagnelf@nvidia.com>
• STALE174d [PATCH RFC 2/2] rust: maple_tree: add load_rcu()
  2026-01-16 · Alice Ryhl <aliceryhl@google.com>
• STALE126d REVIEWED: 6 (5M) [PATCH v2 10/27] rust: maple_tree: add __rust_helper to helpers
  2026-01-05 · Alice Ryhl <aliceryhl@google.com>
• STALE208d [PATCH] rust: maple_tree: rcu_read_lock() in destructor to silence lockdep
  2025-12-17 · Alice Ryhl <aliceryhl@google.com>
• STALE211d [PATCH 23/46] rust: maple_tree: add __rust_helper to helpers
  2025-12-02 · Alice Ryhl <aliceryhl@google.com>
• STALE274d [PATCH v3 2/2] rust: drop `error::to_result` and utilize `ToResult`
  2025-10-13 · Onur Özkan <work@onurozkan.dev>
• STALE296d [PATCH] rust: maple_tree: fix intra-doc link
  2025-09-10 · Miguel Ojeda <ojeda@kernel.org>
• STALE314d REVIEWED: 15 (15M) [PATCH] maple_tree: remove lockdep_map_p typedef
  2025-09-02 · Alice Ryhl <aliceryhl@google.com>
• STALE315d REVIEWED: 22 (22M) [PATCH v3 3/3] rust: maple_tree: add MapleTreeAlloc
  2025-09-02 · Alice Ryhl <aliceryhl@google.com>
• STALE315d REVIEWED: 16 (16M) [PATCH v3 2/3] rust: maple_tree: add lock guard for maple tree
  2025-09-02 · Alice Ryhl <aliceryhl@google.com>
• STALE315d [PATCH v3 1/3] rust: maple_tree: add MapleTree
  2025-09-02 · Alice Ryhl <aliceryhl@google.com>
• STALE323d [PATCH v2 4/5] rust: maple_tree: add MapleTreeAlloc
  2025-08-19 · Alice Ryhl <aliceryhl@google.com>
• STALE323d REVIEWED: 1 (1M) [PATCH v2 3/5] rust: maple_tree: add MapleTree::lock() and load()
  2025-08-19 · Alice Ryhl <aliceryhl@google.com>
• STALE323d [PATCH v2 2/5] rust: maple_tree: add MapleTree
  2025-08-19 · Alice Ryhl <aliceryhl@google.com>
• STALE323d [PATCH v2 1/5] maple_tree: remove lockdep_map_p typedef
  2025-08-19 · Alice Ryhl <aliceryhl@google.com>
• STALE329d [PATCH 3/3] rust: maple_tree: add MapleTreeAlloc
  2025-07-26 · Alice Ryhl <aliceryhl@google.com>
• STALE329d [PATCH 2/3] rust: maple_tree: add MapleTree::lock() and load()
  2025-07-26 · Alice Ryhl <aliceryhl@google.com>
• STALE329d [PATCH 1/3] rust: maple_tree: add MapleTree
  2025-07-26 · Alice Ryhl <aliceryhl@google.com>
• STALE456d [RFC PATCH 2/2] rust: add maple tree abstractions
  2025-04-05 · Andrew Ballance <andrewjballance@gmail.com>
• STALE456d [RFC PATCH 1/2] maple_tree: add __mtree_insert_range function
  2025-04-05 · Andrew Ballance <andrewjballance@gmail.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• DORMANTno replies REVIEWED: 16 (16M) [PATCH v3] rust: maple_tree: implement Send and Sync for MapleTree
  2026-05-11 · Joel Fernandes <joelagnelf@nvidia.com> · 2 Reviewed-by

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.

• STALE174d [PATCH RFC 2/2] rust: maple_tree: add load_rcu()
  2026-01-16 · Alice Ryhl <aliceryhl@google.com>
• COLD39d [PATCH 2/3] rust: maple_tree: Add load_rcu()
  2026-06-05 · Boqun Feng <boqun@kernel.org>