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

Most active threads (last 7 days)

HOTtoday [PATCH v5 00/36] Private Memory NUMA Nodes
2026-07-20 19:34 · 1 reply in 7d · Gregory Price <gourry@gourry.net>

Recent patches

Most-recent 30 patches in this subsystem on linux-mm (capped at 30), ordered by date desc.

HOTtoday [PATCH v5 04/36] numa: introduce N_MEMORY_PRIVATE
2026-07-20 · Gregory Price <gourry@gourry.net>
COOLING8d [PATCH v2] nodemask: reduce bitmap width to nr_node_ids in __nodemask_pr_numnodes()
2026-07-13 · lirongqing <hidden>
COOLING10d [PATCH] nodemask: use nr_node_ids instead of MAX_NUMNODES in __nodemask_pr_numnodes()
2026-07-09 · lirongqing <hidden>
COLD21d [PATCH 4/4] mm/page_alloc: initialize node_possible_map like the other node maps
2026-07-01 · Sang-Heon Jeon <hidden>
COOLING7d [PATCH v3 05/11] bitmap: Add bitmap_allocate() function
2026-07-01 · Thierry Reding <thierry.reding@kernel.org>
COLD51d IN MM [PATCH] mm/nodemask: Correctly describe nodemask operation return types
2026-05-29 · Joshua Hahn <joshua.hahnjy@gmail.com>
STALE65d [PATCH 3/3] lib/bitmap: use bytes_to_page_end() helper
2026-05-17 · Thorsten Blum <thorsten.blum@linux.dev>
STALE118d [PATCH v4 22/25] tools: bitmap: add missing bitmap_copy() implementation
2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
STALE118d REVIEWED: 9 (9M) [PATCH v4 01/25] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
STALE124d REVIEWED: 9 (9M) [PATCH v3 01/23] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
2026-03-18 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
STALE125d [PATCH v2 01/23] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
STALE132d [PATCH 01/20] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
STALE111d [PATCH 4/8] core: use rest_of_page() macro where appropriate
2026-03-04 · Yury Norov <hidden>
COLD31d [RFC PATCH v4 01/27] numa: introduce N_MEMORY_PRIVATE node state
2026-02-22 · Gregory Price <gourry@gourry.net>
STALE78d [PATCH v2 03/10] bitmap: Add bitmap_allocate() function
2026-01-22 · Thierry Reding <thierry.reding@kernel.org>
STALE162d [PATCH v2 04/13] tools: bitmap: add missing bitmap_[subset(), andnot()]
2026-01-22 · Lorenzo Stoakes <hidden>
STALE181d [PATCH RESEND 03/12] tools: bitmap: add missing bitmap_[subset(), andnot()]
2026-01-19 · Lorenzo Stoakes <hidden>
STALE184d [PATCH 03/12] tools: bitmap: add missing bitmap_[subset(), andnot()]
2026-01-19 · Lorenzo Stoakes <hidden>
STALE188d [PATCH 1/3] nodemask: propagate boolean for nodes_and{,not}
2026-01-14 · Yury Norov <hidden>
STALE188d [RFC PATCH v3 1/8] numa,memory_hotplug: create N_PRIVATE (Private Nodes)
2026-01-08 · Gregory Price <gourry@gourry.net>
STALE500d [Patch v2 4/7] lib/interval_tree: add test case for interval_tree_iter_xxx() helpers
2025-03-10 · Wei Yang <hidden>
STALE503d [PATCH 4/7] lib/interval_tree: add test case for interval_tree_iter_xxx() helpers
2025-03-04 · Wei Yang <hidden>
STALE512d [PATCH RFC 3/4] mm/page_alloc_test: Add logic to isolate a node for testing
2025-02-24 · Brendan Jackman <jackmanb@google.com>
STALE559d [PATCH 1/3] mm/memblock: Modify the default failure behavior of memblock_alloc to panic
2025-01-03 · Guo Weikang <hidden>
STALE559d REVIEWED: 11 (11M) [PATCH v8] mm/memblock: Add memblock_alloc_or_panic interface
2025-01-02 · Guo Weikang <hidden>
STALE560d REVIEWED: 45 (45M) [PATCH v7] mm/memblock: Add memblock_alloc_or_panic interface
2024-12-22 · Guo Weikang <hidden>
STALE578d [PATCH v6] mm/memblock: Add memblock_alloc_or_panic interface
2024-12-22 · Guo Weikang <hidden>
STALE578d [PATCH v5] mm/memblock: Add memblock_alloc_or_panic interface
2024-12-22 · Guo Weikang <hidden>
STALE578d [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>

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.

STALE184d [PATCH 03/12] tools: bitmap: add missing bitmap_[subset(), andnot()]
2026-01-19 · Lorenzo Stoakes <hidden>
STALE181d [PATCH RESEND 03/12] tools: bitmap: add missing bitmap_[subset(), andnot()]
2026-01-19 · Lorenzo Stoakes <hidden>
STALE78d [PATCH v2 03/10] bitmap: Add bitmap_allocate() function
2026-01-22 · Thierry Reding <thierry.reding@kernel.org>
COLD31d [RFC PATCH v4 01/27] numa: introduce N_MEMORY_PRIVATE node state
2026-02-22 · Gregory Price <gourry@gourry.net>
STALE111d [PATCH 4/8] core: use rest_of_page() macro where appropriate
2026-03-04 · Yury Norov <hidden>
STALE132d [PATCH 01/20] mm/vma: add vma_flags_empty(), vma_flags_and(), vma_flags_diff_pair()
2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
STALE118d [PATCH v4 22/25] tools: bitmap: add missing bitmap_copy() implementation
2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help