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-mmc (capped at 30), ordered by date desc.

• STALE244d [PATCH v3 01/20] bitmap: introduce hardware-specific bitfield operations
  2025-08-25 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE254d [PATCH v2 01/20] bitmap: introduce hardware-specific bitfield operations
  2025-06-23 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE351d [PATCH 01/20] bitfield: introduce HWORD_UPDATE bitfield macros
  2025-06-12 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE1324d REVIEWED: 27 (26M) [PATCH v6 1/7] treewide: use prandom_u32_max() when possible, part 1
  2022-10-10 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1332d 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>
• STALE1333d REVIEWED: 2 (1M) [PATCH v4 2/6] treewide: use prandom_u32_max() when possible
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1333d REVIEWED: 2 (1M) [PATCH v4 1/6] treewide: use prandom_u32_max() when possible, mechanically
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1333d REVIEWED: 2 (1M) [PATCH v3 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1335d REVIEWED: 3 (2M) [PATCH v2 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1329d [PATCH v1 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1651d [PATCH 01/17] bitfield: Add non-constant field_{prep,get}() helpers
  2021-11-22 · Geert Uytterhoeven <geert+renesas@glider.be>
• STALE1701d REVIEWED: 8 (8M) [PATCH 15/16] lib: bitmap: add performance test for bitmap_print_to_pagebuf
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 9 (9M) [PATCH 14/16] bitmap: unify find_bit operations
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 8 (8M) [PATCH 11/16] find: micro-optimize for_each_{set,clear}_bit()
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 8 (8M) [PATCH 10/16] include/linux: move for_each_bit() macros from bitops.h to find.h
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 8 (8M) [PATCH 09/16] cpumask: replace cpumask_next_* with cpumask_first_* where appropriate
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 8 (8M) [PATCH 08/16] tools: sync tools/bitmap with mother linux
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 8 (8M) [PATCH 06/16] cpumask: use find_first_and_bit()
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 9 (8M) [PATCH 05/16] lib: add find_first_and_bit()
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 26 (26M) [PATCH 04/16] arch: remove GENERIC_FIND_FIRST_BIT entirely
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1701d REVIEWED: 10 (10M) [PATCH 03/16] include: move find.h from asm_generic to linux
  2021-10-05 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 8 (8M) [PATCH 15/16] lib: bitmap: add performance test for bitmap_print_to_pagebuf
  2021-10-01 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 9 (9M) [PATCH 14/16] bitmap: unify find_bit operations
  2021-10-01 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 8 (8M) [PATCH 11/16] find: micro-optimize for_each_{set,clear}_bit()
  2021-10-01 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 8 (8M) [PATCH 10/16] include/linux: move for_each_bit() macros from bitops.h to find.h
  2021-10-01 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 8 (8M) [PATCH 09/16] cpumask: replace cpumask_next_* with cpumask_first_* where appropriate
  2021-10-01 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 8 (8M) [PATCH 08/16] tools: sync tools/bitmap with mother linux
  2021-10-01 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 26 (26M) [PATCH 04/16] arch: remove GENERIC_FIND_FIRST_BIT entirely
  2021-10-01 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 8 (8M) [PATCH 06/16] cpumask: use find_first_and_bit()
  2021-10-01 · Yury Norov <yury.norov@gmail.com>
• STALE1704d REVIEWED: 9 (8M) [PATCH 05/16] lib: add find_first_and_bit()
  2021-10-01 · Yury Norov <yury.norov@gmail.com>