bitmap api · Maintained

Maintainers

• M Yury Norov <yury.norov@gmail.com>
• R Rasmus Villemoes <linux@rasmusvillemoes.dk>

Paths

• F include/linux/bitfield.h
• F include/linux/bitmap-str.h
• F include/linux/bitmap.h
• F include/linux/bits.h
• F include/linux/cpumask.h
• F include/linux/cpumask_types.h
• F include/linux/find.h
• F include/linux/hw_bitfield.h
• F include/linux/nodemask.h
• F include/linux/nodemask_types.h
• F include/uapi/linux/bits.h
• F include/vdso/bits.h
• F lib/bitmap-str.c
• F lib/bitmap.c
• F lib/cpumask.c
• F lib/find_bit.c
• F lib/find_bit_benchmark.c
• F lib/test_bitmap.c
• F lib/tests/cpumask_kunit.c
• F tools/include/linux/bitfield.h
• F tools/include/linux/bitmap.h
• F tools/include/linux/bits.h
• F tools/include/linux/find.h
• F tools/include/uapi/linux/bits.h
• F tools/include/vdso/bits.h
• F tools/lib/bitmap.c
• F tools/lib/find_bit.c

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on linux-riscv (capped at 30), ordered by date desc.

• STALE81d [PATCH v4 22/25] tools: bitmap: add missing bitmap_copy() implementation
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE81d REVIEWED: 9 (9M) [PATCH v4 01/25] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE88d REVIEWED: 9 (9M) [PATCH v3 01/23] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
  2026-03-18 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE89d [PATCH v2 01/23] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE96d [PATCH 01/20] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE75d [PATCH 4/8] core: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE449d [PATCH 4/4] cpumask: drop cpumask_assign_cpu()
  2025-03-13 · Yury Norov <yury.norov@gmail.com>
• STALE449d [PATCH 2/4] cpumask: add non-atomic __assign_cpu()
  2025-03-13 · Yury Norov <yury.norov@gmail.com>
• STALE449d [PATCH 1/4] nodemask: drop nodes_shift
  2025-03-13 · Yury Norov <yury.norov@gmail.com>
• STALE524d REVIEWED: 45 (45M) [PATCH v7] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-22 · Guo Weikang <hidden>
• STALE541d [PATCH v6] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-22 · Guo Weikang <hidden>
• STALE542d [PATCH v5] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-22 · Guo Weikang <hidden>
• STALE542d [PATCH v4] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-22 · Guo Weikang <hidden>
• DORMANTno replies [PATCH v3] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-21 · Guo Weikang <hidden>
• STALE542d [PATCH v2] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-21 · Guo Weikang <hidden>
• STALE542d [PATCH] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-20 · Guo Weikang <hidden>
• STALE684d [PATCH] cpumask: de-duplicate assign_cpu() API
  2024-07-31 · Yury Norov <yury.norov@gmail.com>
• STALE779d LANDED [PATCH v13 4/4] cpumask: Add assign cpu
  2024-03-12 · Charlie Jenkins <hidden>
• STALE826d [PATCH v12 4/4] cpumask: Add assign cpu
  2024-03-12 · Charlie Jenkins <hidden>
• STALE826d [PATCH v11 4/4] cpumask: Add assign cpu
  2024-02-12 · Charlie Jenkins <hidden>
• STALE796d REVIEWED: 4 (0M) [PATCH RFC v4 15/15] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2024-01-31 · Russell King (Oracle) <hidden>
• STALE869d REVIEWED: 3 (0M) [PATCH RFC v3 21/21] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2023-12-13 · Russell King (Oracle) <hidden>
• STALE917d [PATCH 38/39] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2023-10-24 · Russell King (Oracle) <hidden>
• STALE929d [RFC PATCH v2 35/35] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2023-09-13 · James Morse <james.morse@arm.com>
• STALE1638d [PATCH 16/17] tools/bitmap: sync bitmap_weight
  2021-12-18 · Yury Norov <yury.norov@gmail.com>
• STALE1638d [PATCH 15/17] kernel/cpu: add num_active_cpu counter
  2021-12-18 · Yury Norov <yury.norov@gmail.com>
• STALE1638d [PATCH 14/17] kernel/cpu: add num_present_cpu counter
  2021-12-18 · Yury Norov <yury.norov@gmail.com>
• STALE1638d [PATCH 13/17] kernel/cpu: add num_possible_cpus counter
  2021-12-18 · Yury Norov <yury.norov@gmail.com>
• STALE1638d [PATCH 11/17] lib/nodemask: add num_node_state_eq()
  2021-12-18 · Yury Norov <yury.norov@gmail.com>
• STALE1638d [PATCH 07/17] lib/bitmap: add bitmap_weight_{cmp,eq,gt,ge,lt,le} functions
  2021-12-18 · Yury Norov <yury.norov@gmail.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.

• STALE75d [PATCH 4/8] core: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE96d [PATCH 01/20] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE81d [PATCH v4 22/25] tools: bitmap: add missing bitmap_copy() implementation
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>