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

• COLD21d [PATCH 16/16] lib/bitmap-str: get rid of cpumap_print_to_pagebuf()
  2026-05-28 · Yury Norov <hidden>
• STALE112d [PATCH 12/12] bitmap: drop bitmap_print_to_pagebuf()
  2026-02-19 · Yury Norov <hidden>
• STALE112d [PATCH 11/12] cpumask: switch cpumap_print_to_pagebuf() to using scnprintf()
  2026-02-19 · Yury Norov <hidden>
• STALE112d [PATCH 07/12] mm: add rest_of_page() macro
  2026-02-19 · Yury Norov <hidden>
• STALE112d [PATCH 06/12] bitmap: align test_bitmap output
  2026-02-19 · Yury Norov <hidden>
• STALE112d [PATCH 05/12] bitmap: switch test to scnprintf("%*pbl")
  2026-02-19 · Yury Norov <hidden>
• STALE265d [PATCH v3 01/20] bitmap: introduce hardware-specific bitfield operations
  2025-08-25 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE275d [PATCH v2 01/20] bitmap: introduce hardware-specific bitfield operations
  2025-06-23 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE372d [PATCH 01/20] bitfield: introduce HWORD_UPDATE bitfield macros
  2025-06-12 · Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
• STALE530d REVIEWED: 45 (45M) [PATCH v7] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-22 · Guo Weikang <hidden>
• STALE548d [PATCH v6] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-22 · Guo Weikang <hidden>
• STALE548d [PATCH v5] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-22 · Guo Weikang <hidden>
• STALE548d [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>
• STALE548d [PATCH v2] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-21 · Guo Weikang <hidden>
• STALE549d [PATCH] mm/memblock: Add memblock_alloc_or_panic interface
  2024-12-20 · Guo Weikang <hidden>
• STALE713d 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>
• STALE776d 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>
• STALE784d 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>
• STALE788d 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>
• STALE788d 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>
• STALE796d 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>
• STALE792d 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>
• STALE803d 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>
• STALE876d 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>
• STALE924d [PATCH 38/39] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2023-10-24 · Russell King (Oracle) <hidden>
• STALE936d [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>
• STALE1014d [RFC PATCH 32/32] cpumask: Add enabled cpumask for present CPUs that can be brought online
  2023-02-03 · James Morse <james.morse@arm.com>
• STALE1672d [PATCH 01/17] bitfield: Add non-constant field_{prep,get}() helpers
  2021-11-22 · Geert Uytterhoeven <geert+renesas@glider.be>
• STALE1994d [PATCH 2/5] lib/test_bitmap.c: Add for_each_set_clump test cases
  2020-12-26 · Syed Nayyar Waris <hidden>

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.

• STALE112d [PATCH 05/12] bitmap: switch test to scnprintf("%*pbl")
  2026-02-19 · Yury Norov <hidden>
• STALE112d [PATCH 06/12] bitmap: align test_bitmap output
  2026-02-19 · Yury Norov <hidden>
• STALE112d [PATCH 07/12] mm: add rest_of_page() macro
  2026-02-19 · Yury Norov <hidden>
• STALE112d [PATCH 11/12] cpumask: switch cpumap_print_to_pagebuf() to using scnprintf()
  2026-02-19 · Yury Norov <hidden>
• STALE112d [PATCH 12/12] bitmap: drop bitmap_print_to_pagebuf()
  2026-02-19 · Yury Norov <hidden>