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

• COOLING11d [PATCH 5/5] bitmap: Return size when no zero area is found
  2026-07-09 · Yury Norov <hidden>
• COLD18d [PATCH v3 05/11] bitmap: Add bitmap_allocate() function
  2026-07-01 · Thierry Reding <thierry.reding@kernel.org>
• STALE306d [PATCH v3 01/20] bitmap: introduce hardware-specific bitfield operations
  2025-08-25 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE315d [PATCH v2 01/20] bitmap: introduce hardware-specific bitfield operations
  2025-06-23 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE412d [PATCH 01/20] bitfield: introduce HWORD_UPDATE bitfield macros
  2025-06-12 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE766d [PATCH v4 02/40] lib/find: add test for atomic find_bit() ops
  2024-06-20 · Yury Norov <yury.norov@gmail.com>
• STALE766d [PATCH v4 01/40] lib/find: add atomic find_bit() primitives
  2024-06-20 · Yury Norov <yury.norov@gmail.com>
• STALE960d [PATCH v3 02/35] lib/find: add test for atomic find_bit() ops
  2023-12-12 · Yury Norov <yury.norov@gmail.com>
• STALE960d [PATCH v3 01/35] lib/find: add atomic find_bit() primitives
  2023-12-12 · Yury Norov <yury.norov@gmail.com>
• STALE927d [PATCH v2 02/35] lib/find: add test for atomic find_bit() ops
  2023-12-03 · Yury Norov <yury.norov@gmail.com>
• STALE927d [PATCH v2 01/35] lib/find: add atomic find_bit() primitives
  2023-12-03 · Yury Norov <yury.norov@gmail.com>
• STALE982d [PATCH 01/34] lib/find: add atomic find_bit() primitives
  2023-11-18 · Yury Norov <yury.norov@gmail.com>
• STALE1354d 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>
• STALE1354d 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>
• STALE1356d [PATCH v1 1/5] treewide: use get_random_u32_below() instead of deprecated function
  2022-10-22 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1386d 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>
• STALE1393d 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>
• STALE1394d REVIEWED: 2 (1M) [PATCH v4 2/6] treewide: use prandom_u32_max() when possible
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1394d REVIEWED: 2 (1M) [PATCH v4 1/6] treewide: use prandom_u32_max() when possible, mechanically
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1394d REVIEWED: 2 (1M) [PATCH v3 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1396d REVIEWED: 3 (2M) [PATCH v2 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1473d [PATCH 3/6] bitops: bitmap helper to set variable length values
  2022-07-13 · Sebastian Fricke <hidden>
• STALE1712d [PATCH 01/17] bitfield: Add non-constant field_{prep,get}() helpers
  2021-11-22 · Geert Uytterhoeven <geert+renesas@glider.be>
• STALE2537d Re: [PATCH 00/12] treewide: Fix GENMASK misuses
  2019-07-12 · Andrzej Hajda <hidden>
• STALE2785d REVIEWED: 1 (0M) [PATCH V3 1/2] mm: Replace all open encodings for NUMA_NO_NODE
  2018-12-18 · Anshuman Khandual <hidden>
• STALE2798d [PATCH V2] mm: Replace all open encodings for NUMA_NO_NODE
  2018-11-26 · Anshuman Khandual <hidden>
• STALE2807d [PATCH] mm: Replace all open encodings for NUMA_NO_NODE
  2018-11-23 · Anshuman Khandual <hidden>
• STALE2821d [RFC] mm: Replace all open encodings for NUMA_NO_NODE
  2018-11-12 · Anshuman Khandual <hidden>
• STALE3407d [PATCH 8/9] kernel-api.rst: fix some complex tags at lib/bitmap.c
  2017-03-30 · Mauro Carvalho Chehab <hidden>
• STALE5508d [PATCH 01/10] lib: bitmap: Added alignment offset for bitmap_find_next_zero_area()
  2011-06-10 · Marek Szyprowski <m.szyprowski@samsung.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.

• COLD18d [PATCH v3 05/11] bitmap: Add bitmap_allocate() function
  2026-07-01 · Thierry Reding <thierry.reding@kernel.org>