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/region_alloc_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 29 patches in this subsystem on linux-patches, ordered by date desc.

• STALE182d [PATCH 6.18 634/752] tools: Fix bitfield dependency failure
  2026-02-28 · Sasha Levin <sashal@kernel.org>
• STALE266d REVIEWED: 8 (8M) [PATCH 6.1 295/568] tools bitmap: Add missing asm-generic/bitsperlong.h include
  2025-12-03 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE262d REVIEWED: 8 (8M) [PATCH 5.15 202/392] tools bitmap: Add missing asm-generic/bitsperlong.h include
  2025-12-03 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE206d REVIEWED: 8 (8M) [PATCH 5.10 153/300] tools bitmap: Add missing asm-generic/bitsperlong.h include
  2025-12-03 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE270d REVIEWED: 8 (8M) [PATCH 5.4 111/187] tools bitmap: Add missing asm-generic/bitsperlong.h include
  2025-12-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE256d REVIEWED: 8 (8M) [PATCH 6.6 320/529] tools bitmap: Add missing asm-generic/bitsperlong.h include
  2025-11-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE275d REVIEWED: 8 (8M) [PATCH 6.17 720/849] tools bitmap: Add missing asm-generic/bitsperlong.h include
  2025-11-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE277d REVIEWED: 8 (8M) [PATCH 6.12 483/565] tools bitmap: Add missing asm-generic/bitsperlong.h include
  2025-11-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE305d REVIEWED: 8 (8M) [PATCH AUTOSEL 6.17-5.4] tools bitmap: Add missing asm-generic/bitsperlong.h include
  2025-10-26 · Sasha Levin <sashal@kernel.org>
• STALE366d REVIEWED: 1 (0M) [PATCH 5.15 051/644] lib: bitmap: Introduce node-aware alloc API
  2025-08-26 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE431d [PATCH 6.15 739/780] uapi: bitops: use UAPI-safe variant of BITS_PER_LONG again
  2025-06-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE518d [PATCH 5.15 133/620] memblock: drop memblock_free_early_nid() and memblock_free_early()
  2025-03-10 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE635d REVIEWED: 16 (16M) [PATCH 6.6 495/538] lib/bitmap: add bitmap_{read,write}()
  2024-10-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE727d [PATCH 6.6 095/341] sched/topology: Handle NUMA_NO_NODE in sched_numa_find_nth_cpu()
  2024-08-27 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE1111d REVIEWED: 3 (3M) [PATCH 6.1 016/127] lib/bitmap: workaround const_eval test build failure
  2023-08-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE963d REVIEWED: 3 (3M) [PATCH 6.4 014/165] lib/bitmap: workaround const_eval test build failure
  2023-08-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE1108d REVIEWED: 14 (14M) [PATCH 6.1 456/591] lib/bitmap: drop optimization of bitmap_{from,to}_arr64
  2023-07-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE1132d REVIEWED: 14 (14M) [PATCH 6.4 645/800] lib/bitmap: drop optimization of bitmap_{from,to}_arr64
  2023-07-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE1215d REVIEWED: 1 (1M) Re: [PATCH] clk: sp7021: Adjust width of _m in HWM_FIELD_PREP()
  2023-05-01 · Nick Desaulniers <ndesaulniers@google.com>
• STALE1381d REVIEWED: 19 (19M) [PATCH v3 1/3] treewide: use get_random_u32_below() instead of deprecated function
  2022-11-17 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1381d REVIEWED: 19 (19M) [PATCH v2 1/3] treewide: use get_random_u32_below() instead of deprecated function
  2022-11-14 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1383d [PATCH v1 1/5] treewide: use get_random_u32_below() instead of deprecated function
  2022-10-22 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1412d REVIEWED: 29 (28M) [PATCH v6 1/7] treewide: use prandom_u32_max() when possible, part 1
  2022-10-10 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1420d REVIEWED: 2 (1M) [PATCH v5 1/7] treewide: use prandom_u32_max() when possible, part 1
  2022-10-08 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1421d REVIEWED: 2 (1M) [PATCH v4 2/6] treewide: use prandom_u32_max() when possible
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1421d REVIEWED: 2 (1M) [PATCH v4 1/6] treewide: use prandom_u32_max() when possible, mechanically
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1421d REVIEWED: 2 (1M) [PATCH v3 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1423d REVIEWED: 3 (2M) [PATCH v2 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1417d [PATCH v1 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>