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

• STALE106d [PATCH v5 7/8] include: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
  2026-04-09 · Thomas Huth <hidden>
• STALE165d [PATCH next 12/14] bits: move the defitions of BIT() and BIT_ULL() back to linux/bits.h
  2026-01-21 · <hidden>
• STALE165d [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT()
  2026-01-21 · <hidden>
• STALE165d [PATCH next 10/14] bits: Fix assmebler expansions of GENMASK_Uxx() and BIT_Uxx()
  2026-01-21 · <hidden>
• STALE165d [PATCH next 09/14] bits: Change BIT_U8/16() and GENMASK_U8/16() to have unsigned values
  2026-01-21 · <hidden>
• STALE165d [PATCH next 08/14] bits: simplify GENMASK_TYPE()
  2026-01-21 · <hidden>
• STALE236d [PATCH v4 7/9] include: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
  2025-11-21 · Thomas Huth <hidden>
• STALE443d [PATCH v2 2/5] bitmap: Silence a clang -Wshorten-64-to-32 warning
  2025-04-30 · Ian Rogers <irogers@google.com>
• STALE443d [PATCH v2 1/5] bitfield: Silence a clang -Wshorten-64-to-32 warning
  2025-04-30 · Ian Rogers <irogers@google.com>
• STALE476d [PATCH v1 2/5] bitmap: Silence a clang -Wshorten-64-to-32 warning
  2025-04-03 · Ian Rogers <irogers@google.com>
• STALE476d [PATCH v1 1/5] bitfield: Silence a clang -Wshorten-64-to-32 warning
  2025-04-03 · Ian Rogers <irogers@google.com>
• STALE286d [PATCH 02/41] include: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
  2025-03-14 · Thomas Huth <hidden>
• STALE591d [PATCH 3/3] include: Update references to include/asm-<arch>
  2024-12-05 · Geert Uytterhoeven <geert+renesas@glider.be>
• STALE701d REVIEWED: 5 (5M) [PATCH V4 1/2] uapi: Define GENMASK_U128
  2024-08-22 · Anshuman Khandual <hidden>
• STALE703d Re: [PATCH V3 1/2] uapi: Define GENMASK_U128
  2024-08-16 · Anshuman Khandual <hidden>
• STALE703d REVIEWED: 5 (5M) [PATCH V3 1/2] uapi: Define GENMASK_U128
  2024-08-01 · Anshuman Khandual <hidden>
• STALE722d [PATCH V2 1/2] uapi: Define GENMASK_U128
  2024-07-25 · Anshuman Khandual <hidden>
• STALE729d [PATCH 1/2] uapi: Define GENMASK_U128
  2024-07-24 · Anshuman Khandual <hidden>
• STALE744d LANDED: 5 (0M) [PATCH v10 19/19] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2024-05-29 · Jonathan Cameron <Jonathan.Cameron@huawei.com>
• STALE807d REVIEWED: 4 (0M) [PATCH v9 19/19] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2024-04-30 · Jonathan Cameron <Jonathan.Cameron@huawei.com>
• STALE814d REVIEWED: 4 (0M) [PATCH v8 16/16] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2024-04-26 · Jonathan Cameron <Jonathan.Cameron@huawei.com>
• STALE818d Re: [PATCH v7 11/16] irqchip/gic-v3: Add support for ACPI's disabled but 'online capable' CPUs
  2024-04-25 · Jonathan Cameron <Jonathan.Cameron@huawei.com>
• STALE818d REVIEWED: 4 (0M) [PATCH v7 16/16] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2024-04-18 · Jonathan Cameron <Jonathan.Cameron@huawei.com>
• STALE827d REVIEWED: 4 (0M) [PATCH v6 16/16] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2024-04-17 · Jonathan Cameron <Jonathan.Cameron@huawei.com>
• STALE823d REVIEWED: 4 (0M) [PATCH v5 18/18] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2024-04-12 · Jonathan Cameron <Jonathan.Cameron@huawei.com>
• STALE833d 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>
• STALE906d 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>
• STALE954d [PATCH 38/39] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2023-10-24 · Russell King (Oracle) <hidden>
• STALE997d [PATCH v2 04/39] nodemask: Split out include/linux/nodemask_types.h
  2023-10-24 · Suren Baghdasaryan <surenb@google.com>
• STALE966d [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>

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.

• STALE165d [PATCH next 09/14] bits: Change BIT_U8/16() and GENMASK_U8/16() to have unsigned values
  2026-01-21 · <hidden>
• STALE106d [PATCH v5 7/8] include: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
  2026-04-09 · Thomas Huth <hidden>