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

Active reviewers (last 30 days)

• Yury Norov <yury.norov@gmail.com>
  3 attestations (1 Reviewed-by, 2 Suggested-by) · last on 2026-09-28

Recent patches

Most-recent 26 patches in this subsystem on virtualization, ordered by date desc.

• COOLING7d [PATCH v14 04/13] cpumask: Introduce cpu_preferred_mask
  2026-09-28 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COOLING7d REVIEWED: 8 (8M) [PATCH v14 02/13] cpumask: Introduce cpumask_intersects_and
  2026-09-28 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COOLING10d [PATCH v13 04/13] cpumask: Introduce cpu_preferred_mask
  2026-09-09 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COOLING10d [PATCH v13 02/13] cpumask: Introduce cpumask_intersects_and
  2026-09-09 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COLD27d [PATCH v12 04/13] cpumask: Introduce cpu_preferred_mask
  2026-09-03 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COLD27d [PATCH v12 02/13] cpumask: Introduce cpumask_intersects_and
  2026-09-03 · Shrikanth Hegde <sshegde@linux.ibm.com>
• DORMANTno replies Re: [PATCH v11 05/12] sched/core: Try to use a preferred CPU in is_cpu_allowed
  2026-09-02 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COLD34d [PATCH v11 03/12] cpumask: Introduce cpu_preferred_mask
  2026-08-25 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COLD40d [PATCH v10 03/12] cpumask: Introduce cpu_preferred_mask
  2026-08-12 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COLD57d [PATCH v9 02/11] cpumask: Introduce cpu_preferred_mask
  2026-07-24 · Shrikanth Hegde <sshegde@linux.ibm.com>
• STALE76d [PATCH v8 02/11] cpumask: Introduce cpu_preferred_mask
  2026-07-20 · Shrikanth Hegde <sshegde@linux.ibm.com>
• STALE186d [PATCH 4/8] core: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE588d [PATCH v2 06/13] cpumask: re-introduce cpumask_next{,_and}_wrap()
  2025-01-28 · Yury Norov <yury.norov@gmail.com>
• STALE588d [PATCH v2 05/13] cpumask: deprecate cpumask_next_wrap()
  2025-01-28 · Yury Norov <yury.norov@gmail.com>
• STALE588d [PATCH v2 02/13] virtio_net: simplify virtnet_set_affinity()
  2025-01-28 · Yury Norov <yury.norov@gmail.com>
• STALE629d [PATCH 06/14] cpumask: re-introduce cpumask_next{,_and}_wrap()
  2024-12-28 · Yury Norov <yury.norov@gmail.com>
• STALE629d [PATCH 05/14] cpumask: deprecate cpumask_next_wrap()
  2024-12-28 · Yury Norov <yury.norov@gmail.com>
• STALE629d [PATCH 02/14] virtio_net: simplify virtnet_set_affinity()
  2024-12-28 · Yury Norov <yury.norov@gmail.com>
• STALE3153d [PATCH v21 1/5] xbitmap: Introduce xbitmap
  2018-01-09 · Wei Wang <hidden>
• STALE3198d Re: [PATCH v20 3/7 RESEND] xbitmap: add more operations
  2017-12-21 · Matthew Wilcox <willy@infradead.org>
• DORMANTno replies [PATCH v20 3/7 RESEND] xbitmap: add more operations
  2017-12-21 · Wei Wang <hidden>
• STALE3198d [PATCH v20 3/7] xbitmap: add more operations
  2017-12-19 · Wei Wang <hidden>
• STALE3214d [PATCH v19 3/7] xbitmap: add more operations
  2017-12-12 · Wei Wang <hidden>
• STALE3220d [PATCH v18 05/10] xbitmap: add more operations
  2017-11-29 · Wei Wang <hidden>
• STALE3233d [PATCH v17 2/6] radix tree test suite: add tests for xbitmap
  2017-11-03 · Wei Wang <hidden>
• STALE3274d [PATCH v16 2/5] radix tree test suite: add tests for xbitmap
  2017-09-30 · Wei Wang <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.

• STALE76d [PATCH v8 02/11] cpumask: Introduce cpu_preferred_mask
  2026-07-20 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COLD40d [PATCH v10 03/12] cpumask: Introduce cpu_preferred_mask
  2026-08-12 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COLD34d [PATCH v11 03/12] cpumask: Introduce cpu_preferred_mask
  2026-08-25 · Shrikanth Hegde <sshegde@linux.ibm.com>
• DORMANTno replies Re: [PATCH v11 05/12] sched/core: Try to use a preferred CPU in is_cpu_allowed
  2026-09-02 · Shrikanth Hegde <sshegde@linux.ibm.com>
• COLD27d [PATCH v12 04/13] cpumask: Introduce cpu_preferred_mask
  2026-09-03 · Shrikanth Hegde <sshegde@linux.ibm.com>