[PATCH v3 0/5] Use Rust Bitmap from Rust Binder driver

Alice Ryhl
2025-10-28T10:55:26Z

See commit message for rust binder commit for details.

Signed-off-by: Alice Ryhl <aliceryhl@google.com>
---
Changes in v3:
- Also update documentation to fix compile errors.
- Use new_inline() instead of new_small().
- Reword commit message of "rust: id_pool: do not supply starting capacity"
- Change UnusedId::acquire() to return usize.
- Link to v2: https://lore.kernel.org/r/20251021-binder-bitmap-v2-0-e652d172c62b@google.com

Changes in v2:
- Use id_pool.
- Link to v1: https://lore.kernel.org/r/20251020-binder-bitmap-v1-0-879bec9cddc1@google.com

---
Alice Ryhl (5):
rust: bitmap: add MAX_LEN and NO_ALLOC_MAX_LEN constants
rust: bitmap: add BitmapVec::new_inline()
rust: id_pool: do not supply starting capacity
rust: id_pool: do not immediately acquire new ids
rust_binder: use bitmap for allocation of handles

drivers/android/binder/process.rs | 63 ++++++++++++++++------
rust/kernel/bitmap.rs | 26 +++++++--
rust/kernel/id_pool.rs | 109 +++++++++++++++++++++++---------------
3 files changed, 134 insertions(+), 64 deletions(-)
---
base-commit: 211ddde0823f1442e4ad052a2f30f050145ccada
change-id: 20251007-binder-bitmap-5aa0d966fb1f

Best regards,
--
Alice Ryhl <aliceryhl@google.com>