xarray · Supported

Maintainers

• M Matthew Wilcox <willy@infradead.org>

Paths

• F Documentation/core-api/idr.rst
• F Documentation/core-api/xarray.rst
• F include/linux/idr.h
• F include/linux/xarray.h
• F lib/idr.c
• F lib/test_xarray.c
• F lib/xarray.c
• F tools/testing/radix-tree

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v2 0/2] Honor XA_FLAGS_ACCOUNT in xas_split_alloc() and charge to folio's memcg
  2026-07-31 02:18 · 1 reply in 7d · Zi Yan <ziy@nvidia.com>
• WARM1d [PATCH RFC] xarray: honor XA_FLAGS_ACCOUNT in xas_split_alloc()
  2026-07-28 01:51 · 0 replies in 7d · Zi Yan <ziy@nvidia.com>

Recent patches

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

• DORMANTno replies [PATCH v2 2/2] xarray: honor XA_FLAGS_ACCOUNT in xas_split_alloc()
  2026-07-31 · Zi Yan <ziy@nvidia.com>
• WARM1d [PATCH RFC] xarray: honor XA_FLAGS_ACCOUNT in xas_split_alloc()
  2026-07-28 · Zi Yan <ziy@nvidia.com>
• COLD44d Re: [PATCH] mm: khugepaged: free xarray nodes left behind by failed collapse_file()
  2026-06-16 · Matthew Wilcox <willy@infradead.org>
• STALE141d [PATCH v3 1/2] lib/idr: fix infinite loop in idr_get_next()
  2026-03-12 · Josh Law <hidden>
• DORMANTno replies [PATCH] lib/idr: fix memory leak in ida_alloc_range() error path
  2026-03-12 · Josh Law <hidden>
• STALE141d [PATCH v2] lib/idr: fix infinite loop in idr_get_next()
  2026-03-12 · Josh Law <hidden>
• DORMANTno replies [PATCH] lib/idr: fix infinite loop in idr_get_next()
  2026-03-12 · Josh Law <hidden>
• DORMANTno replies IN LINUX-NEXT [PATCH v2] lib/idr: fix ida_find_first_range() missing IDs across chunk boundaries
  2026-03-06 · Josh Law <hidden>
• STALE147d [PATCH] lib/idr: fix ida_find_first_range() missing IDs across chunk boundaries
  2026-03-06 · Josh Law <hidden>
• STALE121d [RFC PATCH v3 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-02-23 · Ackerley Tng <hidden>
• STALE121d [RFC PATCH v3 1/2] XArray tests: Fix check_split tests to store correctly
  2026-02-23 · Ackerley Tng <hidden>
• DORMANTno replies [RFC PATCH v1 RESEND 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-02-23 · Ackerley Tng <hidden>
• STALE158d [RFC PATCH v1 RESEND 1/2] XArray tests: Fix check_split tests to store correctly
  2026-02-23 · Ackerley Tng <hidden>
• STALE172d [RFC PATCH v1 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-01-31 · Ackerley Tng <hidden>
• STALE172d [RFC PATCH v1 1/2] XArray tests: Fix check_split tests to store correctly
  2026-01-31 · Ackerley Tng <hidden>
• STALE183d [PATCH mm-new v5 2/5] mm: khugepaged: refine scan progress number
  2026-01-23 · Vernon Yang <hidden>
• DORMANTno replies Re: Linux 5.10.248
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.198
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE195d Re: [PATCH mm-new v4 2/6] mm: khugepaged: refine scan progress number
  2026-01-17 · Vernon Yang <hidden>
• STALE201d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.4
  2026-01-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.64
  2026-01-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE185d Re: [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-15 · Jinjiang Tu <hidden>
• STALE185d REVIEWED: 15 (15M) Re: [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-05 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE185d [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-04 · Shardul Bankar <hidden>
• STALE239d [PATCH v3] lib: xarray: free unused spare node in xas_create_range()
  2025-12-01 · Shardul Bankar <hidden>
• STALE245d [RFC PATCH 1/1] idr: do not create idr if new id would be outside given range
  2025-11-27 · Jan Sokolowski <hidden>
• STALE240d [PATCH 1/3] idr: add idr_prealloc_many
  2025-11-23 · Mateusz Guzik <hidden>
• STALE235d [RFC PATCH 4/4] XArray: test: Increase split order test range in check_split()
  2025-11-17 · Ackerley Tng <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.

• DORMANTno replies Re: Linux 6.12.64
  2026-01-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.4
  2026-01-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE201d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.198
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.248
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE172d [RFC PATCH v1 1/2] XArray tests: Fix check_split tests to store correctly
  2026-01-31 · Ackerley Tng <hidden>
• STALE172d [RFC PATCH v1 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-01-31 · Ackerley Tng <hidden>
• STALE158d [RFC PATCH v1 RESEND 1/2] XArray tests: Fix check_split tests to store correctly
  2026-02-23 · Ackerley Tng <hidden>
• DORMANTno replies [RFC PATCH v1 RESEND 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-02-23 · Ackerley Tng <hidden>